Answer: neo-isolationists want to stay out of world affairs (a is correct).
Explanation: USA entered world politics (i.e. not only hemispheric politics) in Spanish-American world (McKinley and Theodore Roosevelt) which continued during the First World War (USA was one of Allies waging the War against Italy, Germany and Austro-Hungarian Empire). After the First World War USA decided for politics of isolationism. Situation changed during F.D.Roosevelt´s presidency (1941 Pearl Harbor). Since then USA are crucial super power in terms of world order. During the WW I a WW II term "isolationism" referred to European affairs. Today it refers to world affairs.
Mass media is a very important tool in disseminating information to the public. It also plays a great role in shaping the opinions of the public by informing, educating and disseminating important truths to the people. They also present facts from both sides of the involving parties.
Answer: Kelly pushes on the rock, and the rock pushes on Earth.
Explanation: