The other options make no sense. King of England does not have influence in the American Government. The President did not establish the three branches, he himself is the executive branch. The Supreme Court did not establish the three branches, they are the judiciary branch.
A because besides the US felt close to the British since there ancestors and language, when Germany swept across Belgium it made the Americans feel sympathetic towards the allied powers.
The first lasting contact between indigenous Americans and Europeans came as Arawak, Taino, and Lucayan peoples encountered the Italian explorer Christopher Columbus and his Spanish ships.
