You did not provide any choices but research led me to the following options:
BODY of Water
1. Arctic Ocean
2. Lake Tahoe
3. Ohio River
4. Colorado River
5. Hudson Bay
Country/Region
A. Eastern United States
B. Western United States
C. Canada
A. Eastern United States:
Ohio River - It is a major river in East Central United states. It is just about 981 miles long. It flows through and along Illinois, Indiana, Kentucky, Ohio, Pennsylvania, and West Virginia.
B. Western United States:
Colorado River - found in the Southwest of the United States and North of Mexico. Considered to be one of the most heavily regulated rivers in the world. It passes trough Arizona, California, Colorado New Mexico, Nevada, Utah and Wyoming.
Lake Tahoe - It is a freshwater lake, found in Sierra Nevada, in the United States. It serves as a major as it is one of the five Great Lakes. It is has a depth of 201 m, which makes it the second deepest lake in the US.
C. Canada
Hudson Bay - is a large body of water found in the Northeast of Canada. It connects to the Atlantic ocean to the east and connects to the Arctic ocean in the North.
Arctic Ocean - The shallowest among the five major oceans. It is also the smallest. This ocean circles the north pole. The Arctic ocean connects to Canada's Hudson Bay via Foxe Basin, Fury and Hecla Strait.
*Take note though, it also meets with Alaska in North America.