The 20th century began as a period of optimism in the Western world what ended this optimism *I added more points*​

How long does each side take in a supreme court case to make its oral argument

Which factor best suggests a cause for the urban problems shown in this table? (3 points) increasing discriminatory housing practices shifting population density gradients over time declining urban renewal efforts by city governments declining basic employment sector in industrial cities increasing gentrification efforts in the inner cities

How did europeans and africans displace native americans in north america’s predominant peoples?