Answer:
Correct answers are:
3. The British government could more easily control and tax the colonists if they lived east of the mountain range.
4. The native people asked that the British not allow their colonist to encroach on their lands.
Step-by-step explanation:
Namely, options 3 and 4 are correct because Britain wanted to prevent settlements of this area by colonists, as they were afraid that colonists were be out of their jurisdiction. Also, Natives were rebelling against this, even the famous Pontiac's rebellion had a lot to do with this.
France had no influence in this area, as they lost their lands, while the question of safety of colonists was not in their focus at the time.