Which of the following describes how the physical features of countries in North America influence trade in these countries?

Question

Most have flat terrain, making railroads the least expensive method of transporting goods.
With oceans on both sides, most countries have access to many sea ports and trade routes.***
Severe temperatures prevent trade between Canada and other countries most of the year.
Physical barriers such as rivers and lakes at their borders make trade difficult.

Answer 1

Right!