B.Gerald Ford because that is the best answer to choose
The breakup of the Soviet Union in 1991 may be most directly linked to the 20th-c. process of fragmentation.
Anglo Zanzibar is the shortest war.
If you want more information look at these websites :
http://www.historic-uk.com/HistoryUK/HistoryofBritain/The-Shortest-War-in-History/
https://www.google.com/amp/www.independent.co.uk/news/world/politics/the-top-ten-shortest-wars-10267712.html%3Famp
There was a split Government with a federalist president and democratic republic Vice President