It emphasized US economic strength. It emphasized US military strength. It promoted the strength of US scientists and inventors.
The 4th one is false because the prarie grass could not be plowed the prarie was very rurual and disconected and the summers were very hot and the winters were very cold
Answer:
the answer is D. They were friendly with one another and participated in trading.
Explanation:
when they first came settle as colonist...but then the wars started and that was a different story with land grabbing.