Are we on the verge of a third world war?

Are we on the verge of a third world war?
The first signs of the Second World War were numerous conflicts between European states, the collision of interests of states and major weapons production. Like in the verge of
the Second World War there are many conflicts between Muslim countries and the USA’s, and North Korea’s USA, Serbia and Kosovo, Greece and Macedonia,
Russia and America, Israel and Iran and weapons production is not missing even nuclear ones. These are pretty clear indication that the world may be on the verge of a third world war that could begin with the slightest of pretexts. But as Einstein said when he saw the power of his nuclear bomb “If there will be a third world war the fourth will be with rocks and wood”. A third world war will lead humanity to extinction