WASHINGTON—The Senate on Monday confirmed New Mexico Rep. Deb Haaland as interior secretary, making her the first Native American to lead a Cabinet department and the first to lead the federal agency that has wielded influence over the nation’s tribes for nearly two centuries. Haaland was confirmed by a 51-40 vote. Democrats and tribal groups hailed Haaland’s confirmation as historic, saying her selection means that Indigenous people will for the first time see a Native American lead the powerful department where decisions on relations with the nearly 600 federally recognized tribes are made. Interior also oversees a host of other issues, including energy development on public lands and waters, national parks, and endangered species. “Rep. Haaland’s confirmation represents a gigantic step forward in creating a government that represents the full richness and diversity of this country,” said Senate Majority Leader Chuck Schumer, D-N.Y. “Native Americans for far too long have …