1. What role did leadership play in the rise and fall of the West African Kingdoms?

Trade was vital for the empires in West Africa and the state of Great Zimbabwe in the south. When trade could be maintained and the taxes collected, the empires thrived. But when trade was interrupted, the economies and empires suffered.

this defines the ability for a flex item to grow if necessary. it accepts a unitless value that serves as a proportion. it dictates what amount of the available space inside the flex container the item should take up.

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