01:9 Which statement best describes the role of a research question in writing an argumentative essay?
O It identifies sources for the paper.
It establishes a tool for evaluation,
O It helps guide the exploration of the topic.
O It provides strategies for writing the essay.
Hel

Ongoing civil wars western roman empire finally collapsed476 c.e. romulus, the last of theroman  emperors in  the west, was overthrown by the germanic leader odoacer, who became the first barbarian to rule in rome. the order that the  roman empire  had brought towestern  europe for 1000 years was no more.

Icould be wrong but i would say b.