Why did the power of the emperors weaken during the a. d. 800s?

a. many emperors were very old.
b. buddhist monks were very powerful.
c. the population was declining.
d. many emperors were children. select the best answer from the choices provided a b c d

battle of saint-mihiel, (12–16 september 1918), allied victory and the first u.s.-led offensive in world war i. the allied attack against the saint-mihiel salient provided the americans with an opportunity to use their forces on the western front en masse.

explanation:

a and b!

dfroos means which is a and b

a molly pitcher

b martha washington

c betsy ross