One of the major factors that contributed to the entry of the United States into World War I was "German submarine attacks on <span>American ships," since the Germans were practicing "unrestricted" sub warfare. </span><span />
Under the treaty of the Guadalupe - Hidalgo , the Mexican American War ended in favor of the United States , this also relinquished the United States with 525,000 square miles of land from the Southern Border
They came to trade fur, they also were looking for new land and a good route to the Pacific, and sought to convert American Indians. :)
Think of sociology as socially and you’ll be set. then the studies of relationships between groups or individuals is obviously psychology
