Answer:
1- Multimedia is heavily used in the entertainment industry, especially to develop special effects in movies and animations (VFX, 3D animation, etc.). Multimedia games are a popular pastime and are software programs available either as CD-ROMs or online. Some video games also use multimedia features.
3-Multimedia assignments or projects allow your students to present their newly attained knowledge through images, audio and video instead of just textually. Find or create online games, tutorials or quizzes to facilitate an interactive learning environment.
Explanation:
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A is the correct answer 
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The best option would be C. Peace activist : war.
Abolitionist is same as peace activist. Slavery is similar to war.