I think that the correct answer is B. BY ASSISTING
Ethnic niche communities in major cities help new immigrants by fighting for their legal rights.
Ethnic niche is defined as the term used to identify group of people with the same ethnicity that are dominant in an occupation or an industry. Their dominion or great numbers help them overcome negative consequences of discrimination. This is a clear example of power in numbers.
New immigrants will know what their legal rights are and how to exercise these rights by being part of the ethnic niche. Their chances of being singled out for harassment and discrimination is severely diminished.
Well the niche form of ethnic communities has been taken as the important cities that are helping out the immigrants in terms of fighting for their own legal set of rights. This niche is defined as the form of highlighting the people who are having the same ethnicity.
Southern poland and many people worked various kinds of labor for 11 hours and roll call prolonged and bad weather was tormenting for them and many have died or were killed while laboring and other causes.
The Second New Deal is the term used by commentators at the time and historians ever since to characterize the second stage, 1935–36, of the New Deal programs of President Franklin D. Roosevelt.
The Freedman's Bureau was created to help former black slaves and poor whites in the South after the Civil War. Giving them education and medical help was very important in helping them recover from the revolution and helped the freedmen to be able to live on their own.