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It crippled them economically forcing them into cheap labor
Most of the time it disenfranchised them
The black codes were passed which were essentially a set of restrictive laws passed during johnsons presidency which in a lot of states forced black people to sign labor contracts otherwise they would have been fined or jailed or sold back into basically slavery
Mainly through better advancement in technology and our understanding of engineering. What with us going from living in caves to making wooden homes to now living in steel and concrete.
Answer:
United States encourage some British North
Explanation:
