What was christopher columbus most known for?

He was an explorer.

Explanation:

Christopher Columbus is known for finding the New World. Which is now the United States of America.

Fun Fact:

Although he was trying to go to India, he stumbled upon this "New World" and called them Indians. He was supposed to bring silk and spices for the king and queen of Spain, but since he wasn't actually in India he couldn't bring it to them.

the answer would be a i think?

in the 1800s, locomotives powered by steam made transportation faster and cheaper. the resulting rapid growth of railroads led to the connection of the atlantic and pacific railroad in oklahoma city in 1897.

in the last years of the century, the improvement of steam-based engines the expansion and growth of railroads. this growth increased when the companies started to build and expand, such as the atlantic and pacific railroad, which connected new mexico with california, and missouri with oklahoma. many of these new networks were built in oklahoma, and these changes transportation henceforward.