The United States presidential line of succession is the order in which officials of the United States federal government assume the powers and duties of the office of president of the United States if the incumbent president becomes incapacitated, dies, resigns, or is removed from office.
Explanation:
Depends on if you are talking about the US Presidents or the Royal Family, but here are the US Presidents explanation. Hope this helps!
Answer: The line of succession follows the order of: vice president, speaker of the House of Representatives, president pro tempore of the Senate, and then the eligible heads of federal executive departments who form the president's Cabinet.
It was part of a grand plan designed to control the seceding states. It called for the blockade of southern ports and in taking control of the Mississippi River to cut the South in two. It was not unlike the actions of an Anaconda snake in slowly constricting and suffocating its victim hence the name.