"I believe Mexico will pay for the wall", Trump said during a brief news conference at Camp David, where he was meeting congressional Republican leaders to plan for 2018 midterms.
A built in delay gives congress until March to come up with a resolution.
Trump is basically saying that he will not fix granting "amnesty" to DACA recipients unless he gets the funding required for the wall and related expenditure. His priorities include tightening a family-based immigration policy that allows naturalized citizens and certain immigrants to petition for relatives to come to the USA and eliminating the Diversity Visa Lottery, a state department program that helps citizens of countries with historically low rates of immigration to come to the US.
The Trump administration has proposed spending $18 billion over 10 years to significantly extend the border wall with Mexico, providing one of its most detailed blueprints of how the president hopes to carry out a signature campaign pledge.
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On Friday, the White House requested roughly $33 billion worth of stringent border security measures from Congress.
"As you know, we're negotiating NAFTA", he added. "But yes, in some form, Mexico will pay for the wall".
The Democrats want to make DACA the focus of January's negotiations around funding the government, and Trump sees this as the flawless moment to throw in his border wall gambit.
The No. 2 Democrat in the Senate, Illinois' Dick Durbin, who has been leading negotiations on DACA, criticized the administration's budget request for wall and border security spending. "With this demand, he seems to be heading in that direction".