President monroe issued the monroe doctrine because he worried that the select the best answer from the choices provided. 1. revolutions of south america would succeed. 2. british would not protect america with their fleet. 3. kings of europe would place large armies in the americas. 4. era of good feelings would not continue

The Monroe Doctrine was created because President Monroe felt that European countries were trying to colonize North and South America too much. The Doctrine expressly states that further efforts by European nations to colonize land or interfere with states in North or South America would be viewed as acts of aggression, requiring U.S. intervention.