The first war they fought in was the revolutionary war.
Answer:
you could talk about how the romans made art of "indescribable beauty", or how they invented concrete, or their irrigation systems, they helped mold wrestling into a combat system still seen today, etc.
Explanation:
also you could point out that they have one of the biggest impacts on the most popular religion in the world.
Answer: Coronado and his men spent the winter of 1540–1541 near the Rio Grande River near present-day Santa Fe, New Mexico. It was not an easy time, as the Spanish were attacked several times by Native Americans. In the spring of 1541, the group made their way to what is now Texas, moving into the Palo Duro Canyon. Coronado led a small group to the north in search of Quivira, another one of the Seven Cities of Gold. He was disappointed once again when all he found was another Native American village in what is now modern-day Kansas.
Explanation: I put this as my answer for my school and got it right sorry if I was late.
I think one is good but I'm not sure