<span>There are two factors shaped the extraordinary period of constitutionalism in the United States that stretched from the creation of republican governments he saw much changes at the state level in the 1770s and 1780s to the ratification of the federal Constitution in the late 1780s. This is the best answer for this.</span>
Thirteenth Amendment to the United States Constitution. The Thirteenth Amendment (Amendment XIII) to the United States Constitution abolished slavery and involuntary servitude, except as punishment for a crime. In Congress, it was passed by the Senate on April 8, 1864, and by the House on January 31, 1865.
Western North America was inhabited for a millennia by various groups of Native Americans and later served as a frontier to European powers, beginning with Spanish colonization in the 16th century. British, French, and Russian claims followed in the 18th and 19th centuries. After the American Revolution, the newly independent United States began securing its own frontier from the Appalachian Mountains westward for settlement and economic investment by American citizens.
Because they wanted to expend their territory