<span>The Ghana, Mali, and Songhai empires each grew wealthy and powerful through their trade of many products, but particularly gold. Because of the the empires were so heavily dependent on trade, various circumstances that diminished the empires' trading capacities, including the death of a leader or the strengthening of a rival empire, eventually led to their decline.</span>
The major industry would be ranching
Commodore Perry sailed to Japan's shores with a few American vessels. What he did was, he basically forced the Japanese government to sign trading treaties with the US (soon other European nations followed as well). This meant thta he basically opened the nation to foreign investment and influence.
The role of
the legislative is to make laws committees are to hold hearings in the congress stucture and purpose