What years did ellis island operate

Was american neutrality between september 1939 and december 1941 a tragic mistake

The sixth amendment of the u. s. constitution guarantees the right to which of the following?

The first map shows colonial powers and their holdings (1945). the second map shows human development worldwide. compare the two maps. what do the maps indicate about regions that gained independence in the second half of the twentieth century? they differ in their development patterns. they are as developed as their colonial powers. they are more developed than their colonial powers. they remain less developed than their colonial powers.