The American Revolution could have been won without any aid that they been left complete by themselves. The crisis during this revolution was already before the military forces had provided by any help and aid, that came from abroad nevertheless this help was welcome gratefully. They would have won American revolution all by themselves but where happy to receive help from abroad. In which France was the first to shake hands on this later joined by Spain, Holland and Prussia.
Herbert Hoover lost by a narrow margin
John Calvin believed that politics and religion should not be separated. Whereas Martin Luther believed that politics and religion should be absolutely separate.