The Roman Empire was the post-Republican period of ancient Rome. As a polity it included large territorial holdings around the Mediterranean Sea in Europe, Northern Africa, and Western Asia ruled by emperors
Answer: Advanced Placement is a program run by the College Board that lets you to take courses at high school, lets you receive college credits or qualify you for more advanced classes when you start college.
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Explanation:
D. Which of his or her friends should write a letter
The internet affects collective behaviour, because it spreads ideas and opinions rapidly, and can be viewed by many people. The internet is a strong tool that can be used to change people's perspectives and can make people do what they previously would not think of doing (for example; trends).