Please answer the following question: Given the following passage "After recovering surprisingly fast from the sack of Rome, the Romans immediately resumed their expansion within Italy. The First Samnite War from 343 BC to 341 BC was relatively short: the Romans beat the Samnites in two battles, but were forced to withdraw before they could pursue the conflict further due to the revolt of several of their Latin allies in the Latin War. Rome beat the Latins in the Battle of Vesuvius and again in the Battle of Trifanum, after which the Latin cities were obliged to submit to Roman rule.", answer the following question. Note that the answer is present within the text. Question: What did the Romans need to do before their expansion?
A:
recovering surprisingly fast