Which of the following things did Frederick II do?
A. Frederick Il ruled from a tyranny standpoint.
B. Frederick Il abolished serfdom in his country.
C. Frederick II started a system of elementary
education.

10 states did

~courtney

i believe he was the 5th king of uruk. so c

the answer is a

explanation:

on april 6, 1917, the u.s. joined its allies--britain, france, and russia--to fight in world war i. under the command of major general john j. pershing, more than 2 million u.s. soldiers fought on battlefields in france.