Answer:
Trait approach
Explanation:
The trait approach theory was first given by Gordon Allport in the 1930s. It is also called a trait theory of leadership. In the beginning, there was found about 4500 traits that were later combined and finalized into three categories.
The trait theory has been criticizing because this theory has very little generalization results in their traits theory as not applicable to most of the great leaders. This theory focuses on the leadership but not on the situation.
Samuel A. Worcester was sympathetic to the Cherokees because of his missionary works but he was aware that the government of Georgia was relentless in their desire to have the native tribes removed. He even felt it himself when he was arrested. He might have been sympathetic to the Cherokees but he knew that he could not anything to stop the Government from having the natives removed from their lands.
Personally, I would say Vietnam. This is because the war in Vietnam started in 1955, escalated even more when the U.S. came in the 60s, and finally came to a close in 1975. Vietnam has fought for independence for 20 years, and that's my reason why.