The first amendment to the u. s. constitution protects each person's freedom of speech. which of these best shows how freedom of speech meets a purpose of the preamble to the constitution? a. freedom of speech provides for common defense. it gives the country strength to protect itself against enemies. b. freedom of speech secures the blessings of liberty. it keeps people from being punished for their opinions. c. freedom of speech forms a more perfect union. it brings people together in agreement with each other. d. freedom of speech supports the general welfare. it promises that people's needs will be equally taken care of.