Do you agree with Obama that the Union (between the American states) is currently flawed? Why or why not? Plz help me :(

After the united states declared war on germany, approximately how long did it take for over a million american troops to arrive in europe? a.) two months b.) two years c.) one month d.) one year

What did kublai khan learn from the chinese advisers he consulted?

Who were some of the first people to use prostheses?