Conversation so far:
what was the purpose of fighting the french and indian war
In North America the border between French and British possessions was not well defined; the French and Indian War sought to extend each country’s sphere of influence in frontier regions.
what was the cause of the french and indian war
The French and Indian War resulted from ongoing frontier tensions in North America as both French and British imperial officials and colonists sought to extend each country’s sphere of influence.

Question: how long
Self-contained rewrite: how long did the French and Indian war last