왜 정확한 답을 내지 못하는 걸까요? -_-;; 내용이해가 부족한걸까요;; 부탁드립니다..ㅠㅠ

1.다음에서 밑줄 친 this check이 의미하는 것은?
america promised that all men would have the rights of life, liberty, and the pursuit of happiness. but it is obvious today that america has not carried out this promise insofar as her citizens of color are concerned. america has given the black people a bad check which has come back marked insufficient funds. but we refuse to believe that the bank of justice is bankrupt. we refuse to believe that there are insufficient funds in the great room of opportunity of this nation. so we have come to cash this check.
① 은행의 파산
② 경제적 침체
③ 부도난 수표
④ 흑인에 대한 차별
⑤ 자유와 행복추구 권리
2. 다음 글을 읽고, 빈칸에 가장 적절한 것을 고르시오.
in many cultures, _________________ is reserved for boys. girls remain at home learning their domestic duties from their mothers. this distinction is rooted in two causes. first, females are often expected to remain within the domestic sphere. they are in charge of running the home, while males interact with the world outside the home. second, many cultures believe that boys, who have been raised at home by their mothers, need to be taken away from such female influences to be turned into men.
① duty free from chores
② praise for their behavior
③ education for higher position
④ inheritance from their fathers
⑤ education away from the home