restricting African Americans' freedom
In the late 1800s, the first state government reform legislation regarding railroad practices addressed rates for shipping and storing grain.
Option: D
Explanation:
Rail road practices were reformed by the legislation taken by state government. It addressed the revised rates for shipping and extension of facilities regarding storing of grains. Ships are very important for carrying high weight materials, goods that are called cargo items.
The storage capacity in the ships are huge that can easily accomodates number of goods at a time. If the rates of shipping and charges for storing grains reasonable then it will encourage business policies and trade motives. In the late half of 1800 century this initiative was taken.
The rich became richer and the poor poorer.
B.
Slaves came from Africa.
Religion teachings could be an answer but "B" would make more sense. Also, books came from printing presses... A "manufactured good."