Answer:
So basically, your answer will be A. Emperor.
Explanation:
Roman Republic had three main parts like our government. It had:
(The most important thing was the Emperor)
-Senate
-The Consuls
-And the Assemblies.
Without their emperor, they had no government legislative to begin with.
Hope this made sense.
True...
If this answer helps you plz mark as brainlist..
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But don't report my answer</h2>