Marco Polo found a new trade route (possibly several) that expanded trade in Europe.
The Soviet Union did this because they wanted to rebuild and expand their country after massive destruction and loss of life during the war. Essentially this aggressive expansion and annexing of these countries made the world realize that the Soviets were a massive threat to the world even though they were allies during WWII. I hope this helps :)
Answer: What is the context though.
Explanation:
Pythagoras
He based his idea on the fact that he showed the Moon must be round by observing the shape of the terminator as it moved through the orbital cycle. Pythagoras reasoned that if the Moon was round, then the Earth must be round as well
The correct answer for your question is answer C