Answer:
they had not yet developed a system of money based on coins
Explanation:
D
<span>In 1920s the two popular jazz cubs were the Cotton Club by
Duke Ellington residency located on the second floor of a long, modern
apartment building in New York City where he wrote many pieces of music and performed
a lot of shows. Ellington and his orchestra gained national attention and praise
through weekly radio broadcast that were sometime recorded and released on
albums. Another music hall that was popular for jazz music during this period
was the Carnegie Hall. This was home to hundreds of jazz concerts by famous
artists. </span>
"<span>The British hoped to tighten control over the empire" would be the best option, but the main reason beyond this was that they wanted to discourage trade with other nations, in order to increase profits. </span>
Because they had more support from the beginning. And they had slaves which supported the factories in the North. The North relied heavily on them.