When the architects of our republic wrote the magnificent words of the constitution and the declaration of independence, they were signing a promissory note to which every american was to fall heir. this note was a promise that all men, yes, black men as well as white men, would be guaranteed the 'unalienable rights' of 'life, liberty and the pursuit of happiness.' —dr. martin luther king, jr., i have a dream speech, 1963 which fundamental constitutional principle is dr. martin luther king, jr. discussing in this speech? a. social compact b. rule of law c. checks and balances d. natural rights