The dollar struggled to lift off a five-month low against major peers on Wednesday, as traders digested tit-for-tat U.S.-EU tariffs and a potential Russia-Ukraine ceasefire, while awaiting U.S. inflation data amid worries about the economy.

Canada’s dollar rose in a volatile session that saw trade war risks surge and then recede ahead of Wednesday’s Bank of Canada meeting, when policymakers are expected to lower interest rates to head off the economic threat from US levies.

Trump threatened to double the tariff on Canadian metals after the leader of Ontario put a surcharge on energy sales to the U.S. Meanwhile, the House of Representatives narrowly passed a short term government funding bill and Ukraine approved a potential 30 day ceasefire plan.