How did the transcontinental railroad affect US commerce?

The railroad decreased commerce by making shipping more expensive.

The railroad increased commerce by making shipping easier and cheaper.

The railroad led to major corruption in business, which hurt commerce.

The railroad decreased commerce by making trading posts disappear.

Question

How did the transcontinental railroad affect US commerce?

The railroad decreased commerce by making shipping more expensive.

The railroad increased commerce by making shipping easier and cheaper.

The railroad led to major corruption in business, which hurt commerce.

The railroad decreased commerce by making trading posts disappear.

paki · Answer

what you guess about the answer here... ?

anonymous · Answer

b

paki · Answer

agree... please have a look here... https://www.princeton.edu/~achaney/tmve/wiki100k/docs/First_Transcontinental_Railroad.html