Here’s how the extreme challenges of life can unite enemies, issues like climate change causing a rise in sea levels swamping city shorelines, Cat 5 hurricanes, a flooding river, or maybe a city block on fire, an asteroid threat, a seven-year famine, a worldwide mankiller pandemic, massive economic depression, or that alien invasion we see in movies.

A Famous Experiment Shows How ‘Enemies’ Can Become Friends Overnight

Even in the midst of World War One’s devastating trench warfare, British and German troops met in a No-Man’s Land during their unofficial truce. That Christmas Truce is one of the most famous and mythologized events of the First World War.

https://www.iwm.org.uk/history/the-real-story-of-the-christmas-truce#:~:text=British%20and%20German%20troops%20meeting,of%20the%20First%20World%20War.

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Saul Of Tarsus was hostile to Christians until he was stricken blind on a campaign to exterminate them. During his incapacitating crisis, in three days, he converted to become Saint Paul, befriending his arch enemies. Acts 9:1-22.