Answer:
C
Explanation:
It's C because it would help the economy.
D) The Inca Capital city of Machu Picchu was lost to the modern world until 1911
It extended the number of hours in the day when people could work and play.
Hitler approved the contract so he could overrun Poland without Russia fighting after.
In short, it allowed him to invade Poland without Soviet interference.
Good luck :)
Answer: "gender" .
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