The United States As A World Power: How Much Longer Will The US Be The Policeman The United States has been a super power for decades, and since America has always involved themselves in other countries' problems. Instead of isolationism, the country has practiced getting involved. Since the Monroe Presidency, America has been named the World's police force. Dispelling anarchists, and stopping coos, the united states portrays itself as the world protector. Since Monroe, some Americans have felt that isolation is the way to go, and most feel th ....