Question

Under NATO, the United States, Canada, and Western European nations agreed to

Answer 1

Under NATO, the United States, Canada, and Western European nations agreed to defend each other against attacks by responding with force.

The North Atlantic Treaty Organization is a military alliance currently consisting of 29 independent countries from North America (the U.S. and Canada) and West Europe; it aims to ensure collective armed defense and mutual protection in the case of any external party's armed attack. It was established in the North Atlantic Treaty on April 1949.

Answer 2

Under NATO, the United States, Canada, and Western European nations agreed to act as a single unit when it came to being attacked by a foreign nation, in order to dissuade foreign attack.