Final answer:
Europeans, particularly the French, aided the American cause in the Revolution by providing military assistance, supplies, and financial support. European individuals like Lafayette and von Steuben also contributed their military expertise.
Step-by-step explanation:
In the American Revolution, Europeans aided the American cause in several ways. One significant contribution came from France, which provided military assistance, supplies, and financial support to the American rebels. The French played a crucial role in the American victory at the Battle of Yorktown, where French troops, led by General Rochambeau, joined forces with the American Continental Army to defeat British forces. Additionally, European individuals such as Marquis de Lafayette and Baron von Steuben offered their military expertise to the American cause.
Learn more about European aid to the American cause in the American Revolution