Which are problems faced by the newly independent nations of Africa? Select all that apply. n economic problems
corrupt governments
✓ AIDS
famine

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Answer all parts of the question that follows.

a) Identify ONE way in which the development of new technologies in the twentieth century changed the global economy.

b) Explain ONE similarity in how the development of new medical innovations and agricultural technologies in the twentieth century affected the environment.

c) Explain ONE major change in global culture in the late twentieth century.

in 1862, president lincoln's emancipation proclamation opened the door for african americans to enlist in the union army. although many had wanted to join the war effort earlier, they were prohibited from enlisting by a federal law dating back to 1792.

explanation: