What was an effect of the construction of roads and canals by the Zhou dynasty?

can someone me with this question:  

1) the end of the conflict between the north and the south didn’t just mark the end of a war; it marked the end of an entire way of life.” which statement best describes what this statement means?  

a) the southerners were no longer free and were controlled by the northern states.

b) the industrial economy in the north was not sustainable.

c) slavery became illegal, which changed completely the south’s labor force and the agricultural economy was destroyed.

d) the states decided to relinquish their independence and return to britain’s rule.    

oh i never knew that

explanation:

government

- napolean became emperor of france, and could not be removed from power

- all laws were made by assemblies

- two national assemblies with members chosen by napoleon from candidates elected by the people.