The goal was to slowly withdraw American forces from Vietnam by training South Vietnamese forces to handle the responsibility of fighting the Communistic North Vietnam. It was used as a response to the anti-war protests made by many Americans.
The Berlin Wall was built to stop East Berliners from escaping to West Berlin to flee the Communist controlled East Berlin.
Answer:
By the time the Union Pacific and Central Pacific railroads met in Utah in 1869, Central Pacific had recruited thousands of additional workers directly from China. When the Transcontinental Railroad was complete, Chinese laborers made up over 90 percent of Central Pacific's workforce.
Explanation:
Maybe churches and cathedrals, but I'm not sure if that's considered institutions.