Arizona were using Arizona as a base to raid the nearby Mexican settlements, as part of their wars against Mexico. Arizona became a U.S. state on February 14, 1912. Arizona was the 48th state admitted to the U.S. and the last of the contiguous states to be admitted. Cotton farming and copper mining, two of Arizona's most important statewide industries, suffered heavily during the Great Depression. But during the 1920s and even the 1930s, tourism began to develop as the important Arizonan industry it is today. Dude ranches, such as the K L Bar and Remuda in Wickenburg, along with the
Admission to the Union States was governed by a unicameral Congress, the Congress of the Confederation, which operated under authority granted to it by the Articles of Confederation, the nation's first constitution. The 11th Article authorized Congress to admit new states to the Union provided nine states consented. Under the Articles, each state cast one vote on each proposed measure in Congress. During this period, the Confederation Congress enacted two ordinances governing the admission of new states into the Union. The first such ordinance was the Land Ordinance of 1784, enacted April 23, 1784. Thomas Jefferson was its principal author. The Ordinance called for