What were two checks on power in the Roman Republic?

I'm not pretty sure if this is what you wanted

What made this system interesting is that there were two Consuls at any given time, and bothcould veto each other. Giving this executive, the Consul, the power of veto is another addition into Roman checks and balances put in place to keep one man from ruling all of Rome, which is why there was never a Roman Empero

i think the answer is b.

syria

tens of thousands of people were killed in as it’s longtime leader attempted to stay in power.