How did the Romans ensure that Carthage would cease to exist? A. Paid the Carthaginians to leave and never come back.
B. Killed every single Carthaginian citizen.
C. paid soldiers to force the Carthaginians out of the city.
D .sold the Carthaginians as slaves and destroyed every building

Carthage prompted the Romans to intervene. By sending its troops, Rome started the First Punic War. Initially, battles took place on land and the Roman legions crushed the Carthaginians. ... Rome imposed a degrading treaty on them.  Basically D

Explanation:

They laid seige to the city, stopped the food supply, launched boulders at the city wall w/ catapults, stormed the city, sold survivors as slaves, and destroyed every building.

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explanation:

it foreshadows the theme of the paragraph and hints the topic that will be discussed in the paragraph!