The contribution of leaders such as George Washington and Jonathan Trumbull Sr, were battlefield victory strategies and great organising and authorising skills.
Explanation:
George Washington was the first president of America. In 1775, American Revolution began, British army consisted all professional militants whereas american leaders came from all walks of life. Leaders like George Washington possessed great skills in militia. At that time Britishers imposed taxes and George Washington was one of the leaders who resisted this policy.
George Washington used such strategies which led them to victory, Jonathan Trumbull Sr, is considered one of the best governors at that time. He contributed to the war effort by organising its resources of food, clothing, and munitions for use by General George Washington's army.