In what ways were the major phenomena of the first half of the twentieth century--world wars, the Great Depression, fascism, the Holocaust, the emergence of the United States as a global power- - rooted in earlier times

First World War became simply a mean to pump up the deficit right following the initial Federal reserve Establishment, as well as the Central bank purposely made the Great recession into an excuse for bankers to purchase United states on the cheapest.

American interventionism was primarily blamed for the Global economic crisis. There might have been reasons for this from George Washington, who encouraged the fledgling nation to resist international involvements.