Why did the aztecs settle in the valley of mexico?

(a.) they wanted to take over abandoned mayan cities.
(b.) the area was located near a major river system.
(c.) the valley had a warmer climate than the mayan lowlands.
(d.) surrounding volcanoes created fertile soil in the valley.

congress failed to remove johnson. but it did succeed in getting control of efforts to re-build the south following america's civil war. radical republicans wanted to punish the south for starting the war. they also wanted to be sure new governments in the southern states would support the republican party.

1.a)britain

2.b)spain

3.c)french

4.d)portugal

explanation: