1b) The Níger river is important because it helped the grow their crops and control trade on the river.
The factors that encouraged commercial growth in the post classical era include the following: new state practices, new trading organisations and new state sponsored commercial infrastructures. The post classical era refers to the period which immediately followed the ancient history and precede modern history.
I believe it is a driver license renewal not sure though.
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-Warning2
Answer:
A. It granted sovereignty to each state.
Explanation: