What is the rhyme scheme of this stanza

Cite textual evidence to support this analysis of the connection. a. he says that he chooses “to believe that there are insufficient funds in the great vaults of opportunity of this nation,” so it shows that he has given up hope. b. he states, “so we’ve come to cash this check, a check that will give us upon demand the riches” of the nation for everyone. this proves that he wants government money to be equally shared. c. mlk explains that america should give african americans “a bad check, a check that has come back marked ‘insufficient funds.’” d. he mentions that america wrote a bad check for freedom to african americans, but he states that he “refuses to believe that the bank of justice is bankrupt.” he also states, “we’ve come to cash this check… of freedom and security of justice.”