the dred scott case showed the people that not even the supreme court could over rule slavery and put an end to the missouri comprimise
the Great Migration was the desire of black Southerners to escape segregation, known euphemistically as Jim Crow. Rural African American Southerners believed that segregation - and racism and prejudice against blacks - was significantly less intense in the North
Answer: Mississippi River
The eastern boundary of the Louisiana purchase was the Mississippi River, from its source to the 31st parallel, though the source of the Mississippi was, at the time, unknown.
The United States gave attention to the outside world in the late 18th Century due to an interest in obtaining markets for surplus goods. Between the 1890s and the beginning of World War 1, the U.S expanded its access to overseas markets in other continents and acquired raw materials for its industries through the imperial policy.
