The United States has cancelled a planned deployment of 4,000 American troops to Poland, a decision that has triggered questions in Washington and Europe over the future of US military commitments on the continent under President Donald Trump. The move, first confirmed during testimony before the House Armed Services Committee, comes just weeks after the Pentagon announced the withdrawal of 5,000 troops from Germany. According to Reuters, the developments have renewed scrutiny over the Trump administration’s broader review of US troop deployments in Europe and pressure on NATO allies to take a larger role in regional defense. General Christopher LaNeve, the US Army’s acting chief of staff, confirmed during congressional testimony on Friday that the planned troop rotation to Poland would not proceed. However, he offered limited details behind the decision, saying only that “it made the most sense for that brigade to not do its deployment in theater,” according to Reuters.…