How did the mongols accomplish the conquest of such a large territory within such a short period of time?

French political thinker baron de montesquieu (1689–1755) was one of the enlightenment's most important thinkers. he is famous for saying that "when the [law making] and [law enforcement] powers are united in the same there can be no liberty." to which principle of government is montesquieu's statement most directly related? a) bill of rights b) individual rights c) popular sovereignty eliminate d) separation of powers

Who issued the ruling for the supreme court? dred scott roger b. taney abraham lincoln john c. calhoun

About how many european immigrants were processed at the facilities on ellis island