His Vice President took office after Nixon resigned (due to the backlash from the watergate scandal)
If we're talking about the final nail in the coffin than I'd guess A. I'm fairly certain that Timur the Lame didn't invade Spain. Invasion was more of the Mongol's style than putting a figurehead on any throne. Correct me if I'm wrong based on what your resources say.
I’m not sure. What I do know is (PACS) is an abbreviation for Polital Action Committees.
Making a war
they want to take the control of they country