What elements of the topography also enabled mesopotamia to develop trade

Long rivers - the Tigris and the Euphrates - and extensive plains are definitely geographical elements that helped trade in Mesopotamia. It occupied the Tigris-Euphrates valley. It was an easy accesible place. The word means in Greek "between rivers."

Explanation:

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c. archbishop desmond tutu promoted the acknowledgement of the rights of black africans and expose human rights abuses.

d. leader haile selassie modernized african society through the institution of progressive social, economic, and educational reforms.