What was the most significant social reform of the Progressive Era? Why?

Profits are maximized when marginal revenue and marginal costs are a. set c. equal b. less than market price d. greater than market price

What amendment limits the government's power to take away individual liberties -first -second -ninth -all of the above

What were three advantages the north had in the civil war? it was fighting most battles on home ground. it had a greater number of soldiers. it had more highly skilled military leaders. it had a stronger navy. it had a better network of railroads. pick three .