The Berlin Wall was built by __________

Why did the party convention come to replace the caucus as a mechanism to nominate candidates for political office?

a. The caucus system was opaque, favoring party elites and incumbents. b. The caucus system was inefficient and arbitrary. c. The caucus system overly favored urban business interests. d. The caucus system was too clearly controlled by the executive branch.

Alaska’s Arctic National Wildlife Refuge was opened to oil drilling at the urging of which president?

a. Barack Obama b. George H. W. Bush c. Bill Clinton d. George W. Bush e. Donald Trump