when there was more land to be farmed and farming to be done in the Western hemisphere, European powers started forcing African prisoners to come to the Americas and do labor.
Tobacco ruined the soil, so they decided to plant cotton which rejuivenated the soil. Since cotton (cash crop) was aiding the soil they needed a sorce of labor. They did not have enough labor here so they decided to buy Africans in order to get free labor for their cash crops.
In June rebels from Esscex and Kent marched toward London. On the 13th the Kentish men, under Wat Tyler, entered London, where they murdered some Flemish farmers.
The primary difference between these two wars was that in the French and Indian War the colonists (who weren't that concerned with territory) were fighting alongside the British, while during the Revolution they were fighting against the British.