After initially accepting the offer, Ms. Tlaib then reversed course and canceled the trip, saying, “Visiting my grandmother under these oppressive conditions stands against everything I believe in.”

On Thursday, Israeli officials blocked a proposed visit by Ms. Tlaib and Representative Ilhan Omar, who are both vocal supporters of the boycott-Israel movement. President Trump had publicly objected to the trip, an extraordinary intervention by an American president against members of his own Congress.

Go deeper: Israel’s decision on Thursday was based on a 2017 law aimed at foreign supporters of the movement called Boycott, Divestment and Sanctions. This was reportedly the first time it had been used against American lawmakers, although seven European officials were barred in 2017.

The risky path of a trade warrior

As evidence mounts that the global economy is slowing, President Trump is caught between his pursuit of the trade war with China and his need to keep the U.S. economy humming as he campaigns for re-election, our correspondents write in a news analysis.