What is the practical effect of the first amendment in us society and governance today?
a
it prohibits only state legislatures from passing laws that abridge the freedom of speech.

b
it prohibits only the federal government from passing laws that abridge the freedom of speech.

c
it prohibits both the federal government and state governments from passing laws that abridge the freedom of speech.

d
it prohibits the federal government from passing laws that are not consistent with state laws regarding the freedom of speech.