I think the answer is B. On the map the Canadian shield surrounding Hudson Bay seems to be the largest geographical region in Canada.
Washington D.C., Became the Capital. Where are the White House, the Capitol, and the Washington Monument? Just where they should be--in the capital of the United States. On July 16, 1790, Congress declared the city of Washington in the District of Columbia, the permanent capital of the United States.
Its all what you think. No wrong answers.