How did the railroad change New Mexico’s economy?

I think the answer is because it is an easier way to bring goods back and forth between states, making trades and transportation less of a struggle.

Explanation:

Knowledge

your answer would be (a)

mapmaking. cartography had been an art form for many years, but it wasn’t until the renaissance when ptolemy’s ancient system of latitude and longitude was rediscovered that mapmakers were able to make surprisingly accurate and useful maps.