The Selective Service Act of 1917 or Selective Draft Act authorized the United States federal government to raise a national army for service in World War I through conscription
The My Lai massacre changed public perception of Vietnam drastically. Many people already thought it was an unjust war, and this added to that anti-war sentiment. When many veterans came home they were treated like trash, because everyone back home saw the terrible war crimes committed by the U.S. Many people called for an end to Vietnam after it.
Isolated from Europe in the western hemisphere, but maintaining a strong grip on latin american countries (the roosevelt corrollary)
It was primarily that "<span>D. Growing populations in eastern cities greatly increased the demand for beef," since along with the advent of the rail lines, getting the meat to the consumer was far easier. </span>
