On Tuesday, February 3, due to a special event being held in Emancipation Hall in the Capitol Visitor Center, there will be no public tours of the Capitol. The Capitol Visitor Center will be closed all day except for individuals on official business and people going to the House and Senate Visitor Galleries.
Before the Civil War, members of Congress grappled with the anticipated benefits of expansion into western territories. To inform legislative decisions that would affect the territories and their inhabitants, Congress relied on maps and reports of expeditions, such as those led by explorer John C. Frémont, a member of the Army Corps of Topographical Engineers. The subsequent expansion, however, ignited a passionate debate over the expansion of slavery, pitting the proslavery South against the antislavery North.