Slavery in America started in 1619, when a Dutch ship brought 20 African slaves ... in North America turned to African slaves as a cheaper, more plentiful labor ...
I believe its Florida <span />
Richard J. Daley: hope it helps :)
The effects on the command economies were that their own living conditions deteriorated and the countries became poorer and more exploited
Explanation:
The Command economies of USSR were in the satellite states which were the outer fringes of the soviet Union.
These states were the ones that were producing the undesirable products as they took a toll on the populace.
Thus, they were producing what they themselves did not need and they were not given enough recompense for their own work by the soviets.
This led to poor living conditions and more exploitation, as these were often the border states of USSR and more vulnerable.
Answer: The Suez Canal.
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Hope that helps! Best wishes.