Who after president of US is the most powerful?

After the president comes the vice-president, followed by the Speaker of the House.

After the president comes the vice-president, followed by the Speaker of the House.

After the president comes the vice-president, followed by the Speaker of the House.

After the president comes the vice-president, followed by the Speaker of the House.

After the president comes the vice-president, followed by the Speaker of the House.

After the president comes the vice-president, followed by the Speaker of the House.