Japan has a high population density. What could that mean?
A. Japan is a large landmass with low population
B. There is a large urban population.
C. Most people live spread out.
D. Japan suffers from a lack of workers.

Which effect did the united states supreme court's decision in plessy v. ferguson have? 1. ending segregation in all public schools in america 2. protecting voting rights for african americans by eliminating literacy tests 3. upholding the rights of all citizens to be treated equally by the government 4. authorizing the system that kept black and white people separated