Final answer:
The order of Presidential Succession in the United States is Vice President, Speaker of the House, President pro tempore of the Senate, Secretary of State, Secretary of the Treasury.
Step-by-step explanation:
The order of Presidential Succession in the United States is as follows:
- Vice President
- Speaker of the House of Representatives
- President pro tempore of the Senate
- Secretary of State
- Secretary of the Treasury
So, the correct option is 1) Vice President, Speaker of the House, President pro tempore of the Senate, Secretary of State, Secretary of the Treasury.