Some labor unions opposed immigration because their members believed immigrants would take jobs away from native-born americans. ... The 3 reasons are because the immigrants put them out of jobs, were invading the country, and they were racists.
<span>April 15, 1865, Washington, D.C., United States</span>
Ivan III (the Great) Ivan III (the Great) (1440–1505) Grand Duke of Moscow (1462–1505). He laid the foundations of the future Russian Empire. By 1480 Moscow's northern rivals, including Novgorod, were absorbed by conquest or persuasion, domestic rebellion was crushed, and the Tatar threat was ended permanently.
I think it would be B i am not 100% sure but lemme know if i helped
He is the "Khagan of the Mongol Empire".