How has ethnocentrism affected native populations in Africa? (4 points) A Indigenous children were taken away from parents.
B Pollution has spread across the Pacific Ocean.
C Many nations have built and tested nuclear weapons.
D The people struggle to maintain their political borders.​

D is the answer.

Explanation:

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.