Answer: During the civil war, it became easy for southern people to have access to inland cities in the North. As they had complete control over the coastline, they started shipping goods to Europe. While North had no aces and most of its products were industrial, it was at a disadvantage.
Nixon's silent majority referred mainly to the older generation (those World War II veterans in all parts of the U.S.) but it also described many young people in the Midwest, West and in the South, many of whom eventually served in Vietnam.
The presence of various African groups in the Americas led to the development of multiracial and multicultural societies in various parts of the world.