Which market type is most beneficial to consumers?
a. monoply
b. oligopy
c. purely competitive

What to consumers want? they want:

1) good quality
2) cheap prize

These two are best achieved if many producers compete for their products being chosen, which is the case in a competetive market - so the correct answer is C!

Monopolies and oligopolies rather protect the producers, not the consumers.

The transcontinental railroad provided a means of fast transportation. it cut a 6 month trip into 6 days, created jobs for many people and encouraged immigration. the homestead act played a huge role in western expansion; it allowed settlers to begin a fresh start, and gave them land in exchange for their residence for up to five years and a small fee.