When France expanded into the Ohio River Valley conflicts began to start. This turned into a seven year war (1756-1763) In 1754 and 1755 the French defeated George Washington, General Edward Braddock, and Governor William Shirley of Massachusets. In 1756 the British Finally declared war. In 1758 the British won their first great victory at Louisberg. A Month later they received Canada from France and Florida from Spain. This treaty made the colonists stronger.