Trump just said a DACA deal with Democrats can't include 'CHAIN MIGRATION' — here's what he means

President Donald Trump on Friday tweeted a new condition for a potential DACA deal with Democrats that could become a sticking point in negotiations.

"CHAIN MIGRATION cannot be allowed to be part of any legislation on Immigration!," he wrote, just two days after a tentative agreement was discussed between Trump and top Democrats over how to handle the young immigrants protected from deportation under the Deferred Action for Childhood Arrivals program.

Chain migration is a term almost exclusively used by immigration hardliners when referring to the family reunification-based component of the US immigration system, through which US citizens or lawful permanent residents may sponsor close family members to join them in the US.

Prominent anti-immigration groups like the Federation for American Immigration Reform and NumbersUSA have frequently denounced chain migration, describing it as a process that admits "indefinite" quantities of unskilled immigrants based on family connections alone and that prompts foreigners to view US immigration as a "right or entitlement."

RELATED: Faces of Trump's immigration crackdown

14 PHOTOS
Faces of Trump's immigration crackdown
See Gallery
Faces of Trump's immigration crackdown
Mexican national Adalberto Magana-Gonzalez, 44, waits to be processed after being taken into custody by a U.S. Immigration and Customs Enforcement's (ICE) Fugitive Operations team in Santa Ana, California, U.S., May 11, 2017. REUTERS/Lucy Nicholson SEARCH "NICHOLSON ARREST" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. TPX IMAGES OF THE DAY.
Mexican national Adalberto Magana-Gonzalez, 44, has his fingerprints taken after being taken into custody by a U.S. Immigration and Customs Enforcement's (ICE) Fugitive Operations team in Santa Ana, California, U.S., May 11, 2017. REUTERS/Lucy Nicholson SEARCH "NICHOLSON ARREST" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.
The badge of a U.S. Immigration and Customs Enforcement's (ICE) Fugitive Operations team is seen in Santa Ana, California, U.S., May 11, 2017. REUTERS/Lucy Nicholson SEARCH "NICHOLSON ARREST" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.
U.S. Immigration and Customs Enforcement (ICE) Assistant Field Office Director Jorge Field (R), 53, arrests Mexican national Adalberto Magana-Gonzalez, 44, in San Clemente, California, U.S., May 11, 2017. REUTERS/Lucy Nicholson SEARCH "NICHOLSON ARREST" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.
Mexican national Adalberto Magana-Gonzalez, 44, waits to be processed after being taken into custody by a U.S. Immigration and Customs Enforcement's (ICE) Fugitive Operations team in Santa Ana, California, U.S., May 11, 2017. REUTERS/Lucy Nicholson SEARCH "NICHOLSON ARREST" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.
U.S. Immigration and Customs Enforcement (ICE) Assistant Field Office Director Jorge Field (R), 53, arrests Mexican national Adalberto Magana-Gonzalez, 44, in San Clemente, California, U.S., May 11, 2017. REUTERS/Lucy Nicholson SEARCH "NICHOLSON ARREST" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.
A U.S. Immigration and Customs Enforcement's (ICE) Fugitive Operations team takes immigration fugitives into custody in Santa Ana, California, U.S., May 11, 2017. REUTERS/Lucy Nicholson SEARCH "NICHOLSON ARREST" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.
Handcuffs lie in a box at the U.S. Immigration and Customs Enforcement (ICE) Fugitive Operations office in Santa Ana, California, U.S., May 11, 2017. REUTERS/Lucy Nicholson SEARCH "NICHOLSON ARREST" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.
U.S. Immigration and Customs Enforcement (ICE) Assistant Field Office Director Jorge Field (L), 53, arrests an Iranian immigrant in San Clemente, California, U.S., May 11, 2017. REUTERS/Lucy Nicholson SEARCH "NICHOLSON ARREST" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.
U.S. Immigration and Customs Enforcement (ICE) Assistant Field Office Director Jorge Field (R), 53, and Field Office Director David Marin arrest an Iranian immigrant in San Clemente, California, U.S., May 11, 2017. REUTERS/Lucy Nicholson SEARCH "NICHOLSON ARREST" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.
U.S. Immigration and Customs Enforcement (ICE) Assistant Field Office Director Jorge Field, 53, arrests an Iranian immigrant in San Clemente, California, U.S., May 11, 2017. REUTERS/Lucy Nicholson SEARCH "NICHOLSON ARREST" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.
A U.S. Immigration and Customs Enforcement's (ICE) Fugitive Operations team member arrests an Iranian immigrant in Santa Ana, California, U.S., May 11, 2017. REUTERS/Lucy Nicholson SEARCH "NICHOLSON ARREST" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.
A U.S. Immigration and Customs Enforcement's (ICE) Fugitive Operations team search for an immigration fugitive in Santa Ana, California, U.S., May 11, 2017. REUTERS/Lucy Nicholson SEARCH "NICHOLSON ARREST" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.
HIDE CAPTION
SHOW CAPTION
of
SEE ALL
BACK TO SLIDE

Immigration proponents, however, describe family-based immigration as essential in helping new immigrants assimilate into US society. The American Immigration Council argues that newcomers who are able to bring family members with them when they migrate to the US have stronger social and economic support that helps them "navigate the system."

Furthermore, immigration hardliners' theory that scores of newly naturalized US citizens are sponsoring endless strings of family members has been roundly criticized by immigration experts. The US's visa and green-card backlogs alone ensure that many prospective immigrants face painstakingly long waiting periods before being admitted to the country or given permanent residency — a huge barrier in attempting to help consecutive family members migrate to the US.

Family-based immigration is not an immediate process, and it can take years, or even decades, for immigrant visas to be made available and processing to occur. Then, once the family member arrives in the US on an immigrant visa, it takes additional time to receive a green card that denotes permanent residency. After that, permanent residents typically have to wait five years before they may apply to become US citizens.

Trump's tweet about chain migration on Friday could signal a new bump in the road for a potential immigration deal with Democrats. The bipartisan DREAM Act recently reintroduced in Congress by Democratic Sen. Dick Durbin and Republican Sen. Lindsey Graham includes a pathway to citizenship for the so-called "Dreamers," whose protections under the DACA program will be phased out over the next six months.

Any pathway to citizenship offered to Dreamers would inevitably allow some to sponsor relatives, including their undocumented parents — who, in many cases, brought them to the US as children.

NOW WATCH: Here's where the most hate crimes occur in the US — it’s not where you think

More from Business Insider:

SEE ALSO: A Trump adviser told DACA recipients to 'get in line' to immigrate to the US — here's why they can't

Read Full Story

Sign up for Breaking News by AOL to get the latest breaking news alerts and updates delivered straight to your inbox.

Subscribe to our other newsletters

Emails may offer personalized content or ads. Learn more. You may unsubscribe any time.