Are We On the Brink of World War 3 ?

With the all these situations happening right now at once like .. the imminent war between South Korea and North Korea...Iran and Israel.....USA backing South Korea and Israel...Russia backing Iran...Palestine and Israel...China Backing North Korea and Iran. Argentina and UK dispute (minor)....Terrorist Attacks .Global Markets unstable...EU nations collapsing like Greece.....Global Nuclear Threat Etc......what do you think and why???