They discovered the New World by accident. They were looking for new routes that would take them quicker to Asia to trade. At the time they did not know the earth was round. They believed it was flat and would sail straight to Asia. Therefore, when Colombus hit the New World he called the natives Indians because he believed he had reached India.
This was known as the "iron curtain." It was a term used to describe the boundary in Europe, which formed at the end of WWII and lasted until the ending of the Cold War.
The answer to the question is C. The House and the Senate. Hope this helps you.