Phoenix’s growth began during World War II when military airfields were built in Maricopa County. Because of this, many defense industries around the nation relocated to the Phoenix area. The population of Phoenix is currently the sixth largest city in the United States. Phoenix provides the backbone for the cultural, financial, commercial, entertainment and government activities for the State. The name Phoenix, is from the legendary Egyptian symbol for rebirth. It was chosen because the city was built on the ruins of the Hohokam Indian civilization. Phoenix is the capital of Arizona and has over 515 square miles of land. Phoenix and surrounding suburbs are amazing cities throughout the valley with more than 300+ sun filled days a year and has an average temperature of 74.2 degrees Fahrenheit.