Answer:In 1861, the United States faced its greatest crisis to that time. The northern and southern states had become less and less alike--socially, economically, politically. The North had become increasingly industrial and commercial while the South had remained largely agricultural. More important than these differences, however, was African-American slavery. The "peculiar institution," more than any other single thing, separated the South from the North. Northerners generally wanted to limit the spread of slavery; some wanted to abolish it altogether. Southerners generally wanted to maintain and even expand the institution. Thus, slavery became the focal
Explanation:
The geographic boundaries in the Cold War were dictated at the end of the 1940s, due to the Cold War between the Soviet Union and the United States. The Soviet Union wanted to spread Communism in many parts of the world. In opposition, the United States wanted to prevent the spread of Communism around the globe
<span>Isolationism tends to be borne out of a sense of nativism: that is, the idea that we are the best country among others tends to make us wary of wanting to help other nations. In the '20s, this idea that we shouldn't entangle ourselves in the arguments of other nations led to the US taking an isolationist stance on world diplomatic matters.</span>
Brazil gained its independence on September 7th, 1822, when Dom Pedro proclaimed Brazil's independence after an antagonistic relationship with Portugal proved too much for the Brazilian people. It all began when Napoleon I invaded Portugal in 1807.
