The White House portrayed it as a step toward compromise. When President Joe Biden sent his request to Congress last month for aid to Ukraine and Israel, he included a request for more money to help with security at the border with Mexico,

Joe Biden has said he is willing to make “significant” concessions on border security to help push Ukraine funding through Congress.

The latest proposal, offered by lead GOP negotiator Sen. James Lankford, R-Okla., during a meeting with a core group of senators before they departed Washington on Thursday afternoon, could force the White House to consider proposals that many Democrats will seriously oppose, creating new obstacles in the already fraught negotiation.

President Joe Biden called on congressional Republicans on Wednesday to put aside “petty, partisan, angry politics” and pass a multibillion-dollar aid package for Ukraine, warning that failure to do so could enable President Vladimir Putin of Russia to reclaim momentum in the war and even draw in American troops.