Will give brainiest for the right
pope leo iii proclaimed charlemagne to be emperor of the romans because charlemagne had
a. driven the muslims out of spain.
b. crushed a rebellion in rome.
c. converted his kingdom to christianity.
d. defeated the emperor of the eastern roman empire.

can you attach the graph and answer options (:

richard milhous nixon (january 9, 1913 – april 22, 1994) was the 37th president of the united states, serving from 1969 to 1974, when he became the only president to resign (quit). he is also known for corruption and the watergate scandal which resulted in the public losing trust in him and his resignation.