When do characters in A Raisin in the Sun show courage?

Lena shows courage when she buys her family the home she's always dreamed of in a predominantly white neighborhood.

Ruth shows courage in her actions..... she works, takes care of the family, buffers and mediates family problems, and is willing to stand up to her husband when necessary.

Beneatha shows courage when she asks George to leave. As a boyfriend, he is considered quite the catch..... wealthy and intelligent. Beneatha, however, isn't will to be put down by any man.

Walter shows courage when he refuses to accept Mr. Lindner's offer. It would have been easy to accept the money..... but he decides to finally take on the roll of man of the family..... he does the right thing..... the courageous thing.