NATO was designed to improve on the alliances of the past and to modernize the alliance system in light of the threat of nuclear power. The idea of collective security meant that war could trigger alliances linked on social, political and economic and ideological frameworks as well as a deterrent in terms of nuclear power.
Chinese Americans faced the brutality of the Irish, who were the main competition for jobs. Labor Unions also disliked the immigrants, who were used as 'strike breakers' because of their need for jobs. After the Chinese Exclusion Act, the Chinese still created there own new element of American Society--Chinatown.
The answer is two and a half years.
The United States watched World War I from afar for two and a half years before entering and declaring a war against Germany on April 6, 1917. Before entering the war, United States was intent on keeping a neutral relationship between countries that are involved in the war.
