What group of hired soldiers helped Rome conquer enemies and expand its territory? A. Roman legionaries
B. Roman missionaries
C. the First Triumvirate
D. the Carthaginians

(I think it's D but Rome enslaved them, they weren't hired.)

nothing certain is known about what happened, but it seems that the country declined gradually, perhaps due to bad government, or, more likely, due to a series of bad harvests, which resulted in widespread and recurrent famine.

the real answer is b

yes.

explanation:

because it let the japanese know who had the upper hand in the war.