Why was north america so valuable and desired by both the french and the english?

americans had many intangible advantages. well since the british fought a war far from home military orders, troops, and supplies sometimes took months to reach their destinations, and the british had an extremely difficult objective. they had to persuade the americans to give up their claims of independence, americans had a grand cause: fighting for their rights, their independence and their liberty. this cause is much more just than waging a war to deny independence.

might be agreeing to participate ethically with other european nations in the slave trade

or notifying other european nations when taking possession   of african territories