Mackenzie River
Mackenzie River is the longest river system in Canada, stretching approximately 1,650 km (1,025 miles). It is the second largest river system in North America, covering 1.8 million square kilometers (20% of Canada’s land area).
United States
The United States of America (USA) or the United States ( U.S.) is a country located in North America. The capital is Washington, D.C.
Yukon River
Yukon River is located in North America and it flows through the central Yukon Territory of northwestern Canada and the central region of the U.S. state of Alaska.