The French wanted more trade, so they decided to go down the country and discovered the Mississippi River and claimed it.
Let's head down! Pack up!
After time arriving, they felt hopeless and became 'friends" with Native Americans later on trapping them and continuing on to slavery.
Later on, they passed the Code Noir which they wanted to help the slaves but it still didn't do anything since most French had money, they did not care if they got fined.
Forwarding to British and French... both wanting the Ohio River Vallet, they captured as much land and forts from each other to claim the whole entire land to themselves. This led to the French and Indian war! Which was the French and Indians vs the British.
The British won. So th French give the land West of the Mississippi River - secretly - to Spain, specifically New Orleans.. and the land East of the river to Britain.
Spain only accepted so that they could keep their gold mines hidden and protected but, Spain improved the economics continuing on to more events.