Wars

As reported in the news over the centuries, in no particular order

Conflict between Britain and the colonies
Conflict between the Christians and the Jews
Conflict between Jews and Arabs
Conflict between all / any religions
Conflict in Afghanistan
Conflict in Kuwait
Conflict in Iraq
Conflict amongst and against the Middle East
Conflict between Muslim factions
Conflict in Northern Ireland
Conflict between Christian factions

What do they have in common?
The word CON