What majority is needed for Congress to check presidential power by overriding a presidential veto?

With the exception of employees with advanced education or credentials, how does federal government pay compare to that in the private sector?

a. pay is much less b. pay is much more c. pay is about the same d. the pay is slightly more

Before the revolution, what did the white minority government in South Africa believe the black majority would do?

a. start a violent revolution b. simply obey c. accept incremental reforms d. leave South Africa