Question

Which two countries’ border is the longest in the world?

United States and Canada

United States and Mexico

North America and South America

Mexico and Canada

Answer 1

The border between Canada and the United States is the longest international border in the world. The terrestrial boundary (including boundaries in the Great Lakes, Atlantic, and Pacific coasts) is 8,891 kilometers (5,525 mi) long

Step-by-step explanation:

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