George Kennan's a<span>lerted The United States To The Soviet Belief That Capitalism And Communism Could Not Coexist In The World is the </span>
B. it allowed humans to continue to treat everyone in society equally
Robert Longley is a U.S. government and history expert with over 30 years of experience in municipal government and urban planning. Since 1900, America and Americans have experienced tremendous changes in both the makeup of the population and in how people live their lives, according to the U.S. Census Bureau .