The name is Pre-Cambrian era
Answer: Black codes and Jim Crow laws were laws passed at different periods in the southern United States to enforce racial segregation and curtail the power of black voters. After the Civil War ended in 1865, some states passed black codes that severely limited the rights of black people, many of whom had been enslaved
Explanation:
For resources and to prove that they were powerful. Their initial holdings before WW2 were not enough to fuel the war machine it wanted to become.
