Nikita Khrushchev and ___________ recognized a common interest in avoiding nuclear disaster and began negotiating confidence-building and arms-control agreements to reduce tension.

Such things as historical documents, newspaper reports, TV and radio broadcasts, when used in research, represent the use of

A) Unscientific methods. B) Case-study methods. C) Archival methods. D) Unreliable sources.

Which of the following is NOT a reason behind Europe's smaller population?

A) Geography and climate B) Ability to conquer, colonize, and settle other countries C) It started off with a smaller population D) Secular background