The answer is you combine like terms so your answer would be (9p^2-49)
Answer:
B)
money, trade connections, and military power
Explanation:
The Columbian Exchange greatly affected almost every society on earth, bringing destructive diseases that depopulated many cultures, and also circulating a wide variety of new crops and livestock that, in the long term, increased rather than diminished the world human population.
Texas gained independence from New Mexico.
