At the pope's request, overthrew the roman lords in italy.
a.
otto i
c.
frederick barbarossa
b.
henry iv
d.
innocent iii

a.  Otto I

Explanation:

At the Pope's request, Otto I overthrew the Roman Lords in Italy.

giant bugs

explanation:

frederick the great and the war of austrian succession. frederick william of brandenburg-prussia trained his son, frederick, to be a hardy soldier. he also declared himself king of bohemia, and maria theresa sent troops to retake bohemia. in august he led 80,000 of these men across the frontier into bohemia, his