Answer:
The Pacific Northwest, the Rockies, the Great Plains, the Midwest, the Mid-Atlantic, New England are US geographic regions that border Canada.
Explanation:
Both countries, Canada and the United States hold one of the largest international borders.
The borders of Canada settled through the Oregon Treaty of 1846, which established the 49th parallel as the boundary.
Despite being one of the largest border countries, Canada holds some of the United States geographical regions borders.
In the west, Canada borders with the Pacific and the rocky mountains, along with Great Plains and the Midwest in the middle of the boundary.
In the east, Canada borders New England and the Mid-Atlantic.
Therefore we can conclude that Canada holds many geographical regions with America in its borders.
