B due to the Canadian provinces of Newfoundland and Labrador having 10,900 miles of coastline by themselves
I don’t really know but Friction and Hydraulics are a principle but I feel like it’s O:)
To not stay in the heat too long and drink a lot of water
All the land South of the Great Lakes and East of the Mississippi River (except Florida - that went to Spain).
Panama had to gain its independence from Colombia with US support
