Answer:
to prevent the spread of the communist government to the other Caribbean islands.
Step-by-step explanation:
The United States invaded America in the year 1983. The Reagan administration mainly invaded the land of Grenada to stop the communism government from spreading to the other Caribbean islands. It also protected the lives of many Americans who were living in Grenada at that time.
The Reagan government believed in building a strong army so as to challenge the power of the communist.
US president Reagan over thrown the Revolutionary Military Council of Grenada who posed a threat to the American citizens in Grenada by his communist principals. Thus in order to secure the safety of the American people in Grenada, the US army invade the island and removed the revolutionary military council in the year 1983.