The American Revolution was principally caused by colonial opposition to British attempts to impose greater control over the colonies and to make them repay the crown for its defense of them during the French and Indian War (1754–63). ... Read more about the causes of the American Revolution in the United States article
They learned to have a better navy, because they hired Greek captains to help them become better sailors since their sailors were pretty bad. Once they boarded the enemy then they engaged had-to-hand combat.