'Wars' in the Bible

You'll hear of wars and rumors of wars. See to it that you aren't alarmed. These things must take place, but the end hasn't come yet,

But when you hear of wars and rumors of wars, stop being alarmed. These things must take place, but the end hasn't come yet,

When you hear of wars and revolutions, never be alarmed, because these sort of things must take place first, but the end won't come right away."

I looked, and there was a pale green horse! Its rider's name was Death, and Hades followed him. They were given authority over one-fourth of the earth to kill people using wars, famines, plagues, and the wild animals of the earth.