Complex sentence: However, after the Battles of Saratoga were conclusively won by the colonists, France realized that the Americans had hope of winning the war, and began fully aiding the colonists by sending soldiers, donations, loans, military arms, and supplies.
Split into simpler sentences: However, after the Battles of Saratoga were conclusively won by the colonists, France realized that the Americans had hope of winning the war. France began fully aiding the colonists by sending soldiers, donations and loans, and military arms and supplies.