Causes of the French and Indian War. The French and Indian War began over the specific issue of whether the upper Ohio River valley was a part of the British Empire, and therefore open for trade and settlement by Virginians and Pennsylvanians, or part of the French Empire.
In general when they need to get done with their basic requirements or their needs they fight for that if the authority didn't respond proply.. sequence like salary incresment.
then the Labour union strikes to win their requirement.