Even as Prime Minister Mark Carney touts his plans to protect Canada’s economic sovereignty, the country’s critical minerals are making their way into U.S. weapons.

According to legal experts, the U.S. is taking “possibly unprecedented” measures to secure ownership over Canadian mines, turning Canada—and the First Nations from whose lands the minerals are sourced—into a U.S. mining territory. All the while, the Canadian government is helping fund and fast-track these projects.