Why did the United States become involved in

wars against Iraq? 7th grade history book

Answer: A U. S. Marine with the 2nd Battalion, 7th Marines, which is part of a quick-reaction force, ... Getting U. S. troops out of Iraq might not be that hard, say experts ... States to the brink of war and renewed calls for the removal of U. S. forces ... Canada announces immediate ban on 'military-grade' assault weapons.

To endure freedom & protection

Explanation:

Obviously, the biggest that comes to my mind is the Invasion & Annexation of Kuwait leading to the Persian Gulf war. The US got involved to protect the freedom and well-being of Kuwait. Iraq launched Scud missiles, aiming for Saudi Arabia and Israel, who wasn't even part of the war.

This may be incorrect for your question, but there wasn't much clarification.