After the Civil War the south had to reinvent its economy because

Slave laber was no longer an option to help their economy

Explanation:

The Civil War was between the Northern and the Southern states over slavery, the North won and the Emancipation Proclaimation set all the slaves free

the main inference that can be drawn from jean jacques rousseau's book the social contract is: a. people can enjoy civil and physical freedom, even if it sometimes harms society.

i hope this

explanation:

max weber's 3 types of authority. the sociologist and philosopher  max weber  distinguishes  three types of authority—charismatic,  traditional  and legal-rational—each of which corresponds to a brand of  leadership that is operative in contemporary society.