The u. s. supreme court case plessy v. ferguson determined fbt segregation was acceptable under the condition

In Plessy v. Ferguson, the Supreme Court ruled that facilities that were "separate but equal" were permissible under the US Constitution.

This allowed the Jim Crow laws to develop wherein African Americans went to different schools, ate at different restaurants or in different sections, and were generally segregated from the population

the authority to tax.

a. by accepting the election of president abraham lincoln in 1860 and convincing other southern states to do the same