Which of the following identifies two of the causes of the War of 1812?

A. William Henry Harrison led American soldiers against the French; Canada wanted to become part of the United States.
B. Great Britain interfered with American ships; Great Britain and the United States were in conflict over the Northwest Territory.
C. France wanted to regain control of Canada; Great Britain believed that the Americans were supplying weapons to American Indians.
D. The French blockaded ports to stop trade between America and Great Britain; Tecumseh joined America to fight Great Britain.