A group of people who share some sort of common identity like a language, a religion, or an ethnicity is referred to as a ______.

Under which circumstance is political equality violated?

a. if citizens are free to argue and debate b. if citizens are free to form and express their political opinions c. if some people can speak out but others cannot d. if people are encouraged to participate in politics

________ are outbreaks of infectious diseases, such as AIDS, avian flu, and SARS, that spread or threaten to spread worldwide.

Fill in the blank(s) with the appropriate word(s).