Manifest Destiny is the belief that America was willed to occupy from the Atlantic coast to the Pacific coast, so the answer is A.
Immigrants were most likely unable to speak English well or at all. Wealth and status amongst immigrants were also a determining factor. Wealthier immigrants would have been able to make better lives for themself because their money would’ve given them opportunities the poorer immigrants would not have. Overpopulation also affected immigrant life as well as housing issues and the most pressing of all, discrimination. Besides being new to the land and unable to really speak the language in North America and coming from different economic statuses, they also had to deal with racism, prejudice, and even religious discrimination due to the heavy Protestant population at the time.
Chief Justice Earl Warren said that all citizens have right to public education and should have equal access to it.
He stated that state laws that established separate schools for African-American and white students denied equal educational opportunities and and established that "separate educational facilities are inherently unequal".