Why have interpretations of the first amendment changed over time? a. because congress has established its own interpretations of the bill of rights through later constitutional amendments b. because courts have issued rulings on cases that challenge the government's right to limit freedom of speech, assembly, and religion c. because americans have demanded that unpopular speech and unconventional beliefs be restricted by the government d. because u. s. citizens have used direct democracy to force the courts to embrace certain interpretations of the bill of rights