Which of the following choices is an example of public opinion influencing public policy?
a.
an attack on u. s. ships in vietnam led congress to give the president increased war powers
b.
innovations like the invention of the computer led to increased daily use of new technologies
c.
increased support for the civil rights movement led to the adoption of legislation to protect equality
d.
the discovery of a hole in the ozone layer led to more research of the human impact on the environment