Answer:
You would have to make sales of 13 334 USD.
Explanation:

I believe the answer is: <span>cocaine intoxication
</span><span>cocaine intoxication would create over stimulation in their brain, that often resulted in sudden outburst of energy and the feeling that that they can do "anything" This would also had the potential of causing muscle destruction for the user.</span>
Because the slaves are what worked the economy, while everyone else did nothing. Without the slaves the entire thing would collapse because slave owners would not want to work.
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<span>In 1914, the German army is in fear of the alliance between France and Great Britain on its west side and the Russian empire on its east side. When the arms race is starting, Mister Schlieffen creates a new plan to avoid the invasion of his country.</span>