The United States and Canada Share

The United States and Canada share

A) a physical boundary between the countries that is 1300 miles long.
B) a 1300 mile long mountain boundary.
C) two geometric boundaries, one that runs along the 49 degree north latitude, and the other between Alaska and Canada.
D) a religious boundary with mostly protestants on the U.S. side.
E) cultural boundary, English and Spanish on the U.S. side, French and English on the Canada side.