President Donald Trump announced a partial rollback of tariffs on certain Canadian agricultural and forestry products on Friday, a move aimed at easing economic pressures in northern U.S. states ahead of the November 3 midterm elections. The decision lifts the 50 percent duties previously imposed on select Canadian goods, including plywood sheets, some paper items, refrigeration equipment, packing crates, and fresh and dried seaweed, effective October 30.

The tariff adjustment comes as Republicans seek to maintain control of both chambers of Congress in a tightly contested election cycle. Among those heavily affected by the tariffs is Maine, a state that shares a border with Canada, where Senator Susan Collins faces a close reelection bid against Democrat Troy Jackson. Collins had urged the White House to eliminate tariffs on products essential to Maine’s agricultural and fishing industries.

“These producers are a vital part of our state’s economy and support our rural and coastal communities,” Collins said, highlighting the reliance of Maine’s blueberry, potato, apple, and seaweed sectors on Canadian-made specialized equipment and packaging materials. She noted that alternatives from U.S. suppliers are either unavailable or costly to replace.

In response, Jackson criticized Trump’s trade policies, stating they have increased costs for Mainers. “Susan Collins enabled this chaos, voted to confirm the people behind it and now wants credit for bringing a cup of water to put out the fire,” Jackson said, referencing his disagreements with Collins over tariffs during an earlier debate.

Trump initially imposed the tariffs in August on $20 billion worth of Canadian imports following a breakdown in bilateral trade talks. Canada retaliated in September with tariffs ranging from 15 percent to 50 percent on an equivalent value of U.S. goods. In conjunction with Friday’s tariff relief, Trump also added new Canadian products to the 50 percent tariff list, including carpets, paints, shampoos, cocoa powder, wooden coffins, air-conditioning units, chest freezers, archery equipment, and canoes, in an effort to balance the tariff measures.

White House spokesperson Matthew Middleton described the administration’s actions as an ongoing effort to address what it views as Canada’s discriminatory trade practices and said the updates “further refine the scope” of the previously announced tariffs. Canada’s Minister for U.S. Trade, Dominic LeBlanc, said Ottawa is reviewing the changes and expressed willingness to pursue a constructive and mutually beneficial trading relationship.

The tariff dispute has posed challenges for industries in states bordering Canada, such as Michigan and Maine, where supply chains are deeply intertwined with Canadian production, spanning sectors including automotive, lumber, and agriculture. Republican candidates in these regions face the challenge of appealing to President Trump’s conservative supporters while addressing the concerns of independent voters affected by the tariffs.

The trade tensions have also resonated elsewhere. In Kansas, Trump dropped a threatened ban on Canadian jet manufacturer Bombardier after pressure from lawmakers including Senator Roger Marshall, who is also in a competitive reelection race. Meanwhile, Republican U.S. Senate candidate Mike Rogers of Michigan supported tariffs on Canadian waste products, citing long-standing complaints about environmental impacts.

Senator Ron Wyden, the top Democrat on the Senate Finance Committee, criticized the tariff policy as harmful to American families and described Trump’s tariff rollback as a last-minute attempt to shield targeted Republican senators from political fallout. The evolving situation underscores the complex economic and political considerations as the midterms approach.