What some causes of the American revolution

The main reason would be taxation more specifically taxation without representation, the reason for these taxes is because the French and Indian war left England in large debt leading them to increase taxes on the 13 colonies.

Explanation:

roosevelt believed that in light of the country's recent military successes, it was unnecessary to use force to achieve foreign policy goals, so long as the military could threaten force. this belief, and his strategy of “speaking softly and carrying a big stick,” shaped much of roosevelt's foreign policy.