I think it’s should be on easy way better but it does what type it does and
The answer is A, not B.
Corporations were very large because they employed many people on a very low wage.
Anyways here:
He built a network of roads and canals and established a national religion. They built the Great Wall and standardized system of weights and measures. They made the army bigger and forced nobles to move to the capital.
B they had finish part of it in 1869 and it had taken them six years so that means they started building it in 1863. Then they had continued after that but it was small sections of them adding to the existing railroad.