The correct answer is C) the support of their close-knit culturally united neighborhoods.
The primary means of support that helped Chinese immigrants to adjust their new American Homeland was "the support of their close-knit culturally united neighborhoods.
A great number of Chinese people arrived in the United States through the immigration station located at Angel Island, in San Francisco, California. They left China looking for better jobs and better living conditions for their families. Get they got to America, it was very difficult for them to adapt to the American culture. That is why they found support in their own neighborhoods and communities with other Chinese people that maintained the culture, customs, and traditions of China.
The other options of the question were A) the welcome immigrants received at Angel Island. B) the acceptance of cultural differences by American families. C) the support of government agencies which helped them assimilate into their new lives.