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

churchill warned that the soviet union had cut eastern europe off from the west with an "iron curtain."

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hello,

i'm not so sure but i hope this in anyway.

the president of russia is head of state, and of a multi-party system with executive power exercised by the government, headed by the prime minister, who is appointed by the president with the parliament's approval.

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