Why did the French and Indian War start?

Tori Allegre

How the French and Indian war started is that there was a huge dispute between Great Britain and France because they both wanted control over the Ohio River Valley and the Native American Nations found there. According to the website www.warsfindthedata.com it states that Great Britain and France were fighting over who gets control over the Ohio River Valley.Then from the website www.warforempire.com it states that great Britain and France were also had a dispute between who got the Native American Nations there.