The Battle of Lexington and Concord, which took place on April 19, 1775, is often seen as the start of the American Revolution.

George Washington was appointed as the commander-in-chief of the Continental Army in June 1775.

The Declaration of Independence, adopted on July 4, 1776, proclaimed the thirteen colonies' separation from British rule.

The Treaty of Paris, signed on September 3, 1783, recognized the independence of the United States and established the boundaries of the new nation.

All of the options listed were significant factors contributing to the American Revolution.

The Patriots were the colonists who supported the American Revolution and sought independence from Great Britain.

The Battle of Saratoga, which took place in September and October 1777, is often seen as a turning point in the American Revolution, as it resulted in the surrender of a British army and boosted the morale of the Continental Army.

Thomas Paine wrote the pamphlet \"Common Sense\", which was widely read and influential in promoting the idea of American independence.

The Declaration of Independence, adopted on July 4, 1776, outlined the principles and goals of the American Revolution.

Thomas Gage was the British general who initially led the British forces during the American Revolution.

The Battle of Saratoga, which took place in September and October 1777, resulted in the surrender of a British army and is often considered a major victory for the Continental Army.

The Articles of Confederation, adopted in 1781, established the first government of the United States.

The Battle of Lexington and Concord, which took place on April 19, 1775, is often considered the first battle of the American Revolution and is known for the famous \"shot heard 'round the world\".

The Loyalists were the colonists who remained loyal to the British Crown during the American Revolution.

The Battle of Yorktown, which took place in October 1781, is often considered the final battle of the American Revolution and resulted in the surrender of the British army led by General Charles Cornwallis.