Candidate debates became a regular part of presidential campaigns in which decade?

The fall of the Berlin Wall, the unification of Germany, and the collapse of the Soviet Union brought to an end the period known as the __________

Fill in the blank with the right word.

An institutional explanation suggests that which of these supports the maintenance of China's one-party regime?

a. A large pool of cheap labor b. A consistently weak civil society c. A widespread rejection of Buddhism d. A common concern about economic instability