The Mississippi River flows into which body of water?

The Missouri River is longer at 2,341 miles!

Cat Lady, it doesn't say "drain into" but "drains all or part of" meaning that water which lands in those areas (its watershed) passes into the Mississippi and finally into the gulf.

Cat Lady, I think that means at least one tributary of the Mississippi (i.e. a river which feeds into it) starts in Canada.

That Cøunt, Ray Bumpkin, small areas of Alberta and Saskatchewan drain into the Missouri River which drains into the Mississippi near St. Louis.

I live on the Gulf of Mexico