New York's famous skyscrapers, the Chrysler and Empire State Buildings, and Rockefeller Center opened

Kenya's most recent constitution (2009) includes a new political structure, and

A. reinstating the Queen as head of state B. adding a new Constitutional Court for Judicial Review C. making some legislators appointive D. bringing back a second house of the legislature

Reducing the incidence and effectiveness of terrorism while maintaining civil liberties will be difficult because a. today's globalized world makes terrorism easier to practice. b. the possibility that terrorists will obtain weapons of mass destruction will create unprecedented opportunities tocommit unspeakable atrocities

c. some failed states offer out-of-the-way- places for terrorist groups to locate and train. d. All of these are true.