Their well equipped and disciplined army
Roman society was divided into the patricians (the aristocracy), the equites (equestrians) who were bankers, money lenders, merchants and investors in shipping and mining, and the plebeians (the commoners). there were also slaves and freedmen
In the prime years of the Roman Republic, a case can be made for the Senate making most of the political decisions.
The Roman republic was established to rid the people of a one man rule. They preferred to be governed by a consensus.
The government of the Roman Republic.
made policy decisions
The Roman Republic was formed in 508 BCE, and lasted until 27 BCE.
You need to specify what was made if you want to make it possible to answer your question.
Those enacted by the assemblies of the citizens.
the senate
As the name "Roman Republic" suggests, it was a republic.
A strong government
The Romans did want a strong emperor to stop the civil wars that racked the Roman Republic.