Why did the U. S. invade Panama and Grenada?

Panama had become a center for drug money laundering and a transit point for drug trafficking to the U.S. and Europe.

Explanation:

The US government defended its invasion of Grenada as an action to protect American citizens living on the island, including medical students.

The US government defended its invasion of Grenada as an action to protect American citizens living on the island, including medical students.

Result: American-CPF victory: People's Revolt

Date: 25–29 October 1983 (4 days)