Not opinion, since this was actually the case and is up for littler interpretation.
The fire makes the air density decrease. If you are 6 km high, you would have trouble breathing. The fire in the hot air balloon would start to die down that high, the fire keeps the air less dense which makes the big cloth stay like a big balloon. If you were that high, the fire would die down and you’ll fall to the ground at very high speeds.
Answer:
America was seen as newfound freedom and wealth offering profit, land, adventure, religious, and political freedom to the settlers.
Hope this helps.