One item can be the weapons. Many Europeans gave the natives a bunch of weapons because they had plenty. They even gave them faulty weapons or broken ones because the natives didn't know any better.
The Korean war lasted about three years but the Korean Armistice Agreement only ceased-fire. It did not end the war.
Meaning that it did not end after three years. It was only announced recently as of 2018 that the war might possibly come to a close after I believe at least over 60 years.
Usually along or close to earths equator