It’s my first time on this app! :) someone please help me on these questions

What are the biggest challenges facing the average american citizen today? explain.

Pls quickly! which of the following statements about spanish plantations is not accurate? a. spanish plantation screw sugarcane for export to spain. b. the spanish had a little concern for the lives of the indians who worked on the plantations. c. spanish presentation grew a wide variety of crops and sent the produce to many different european countries. d. to replace the native americans our dying off the spanish important african slaves.

At the time of the brown v. board of education decision, schools were segregated everywhere in the country. several states had laws requiring segregated schools. schools in nearly every state has been desegregated. segregation was common in the north, but not in the south.