The nile allowed civilizations in nubia and egypt to: A: avoid interacting with each other. B: build huge monuments to pharaohs. C:exchange goods and ideas D: conquer all of northern africa.

the answer  is D

Explanation:

no every country is held to the same degree as others just some member countries such as the usa and germany are more economically sound so the need to show there support to all others  

the federal constitution of the united mexican states of 1824 was enacted on october 4 of 1824, after the overthrow of the mexican empire of agustin de iturbide. in the new constitution, the republic took the name of of united mexican states. it was replaced by the federal constitution of the united mexican states in 1857.