He named more than 70 of himself, and only one of his horse. I believe the most important is Alexandria, Egypt.
Congress can override a regular presidential veto by a two-thirds vote of both houses. The Supreme Court and other federal courts (judicial branch) can declare laws or presidential actions unconstitutional, in a process known as judicial review.
The first, second and third Battle of Ypres
The answer is A. They do this as a way of showing party unity.