<span><span>The expansion of railroads caused Native Americans to be displaced from their tribal land. </span></span>
Athens soarta etc they were many angry at Persia for taking to much land
meaning that it was increasingly dividing the nation along regional lines. Northerners were becoming more opposed to slavery, whether for moral or economic reasons, and Southerners were becoming more united in their defense of slavery as an institution.
The troops in vietnam was 500,000