I think that a Trump Presidency will be more beneficial to Russian-American relations, but obviously this comes at a cost of weakening our relationship with many NATO allies, especially in eastern Europe. I think we would see huge economic growth in Russia because President Trump will likely adopt a more protectionist stance, not really caring to intervene in Russia's economic plays on satellite states.

If we're being honest, Clinton did suggest that she would start an all-out war with Russia by establishing a no-fly zone in Syria, but completely tried to avoid admitting to the logical conclusion during the third debate when pressed. This contrasts with Trump threatening military action if other nations, especially Russia and China, actually take military action against our forces, not just violate an arbitrary no-fly zone where we have no business setting one up.

I have no idea what would happen with Iran, I'm not familiar enough with the history and climate there to speak in an educated fashion on it.