Keystone species maintain ecological diversity within a community.

According to the video lecture “What is Government?” an argument can be made that governments are ONLY able to provide protection against external violence, not internal violence.

Which of the following terms refers to the appropriate ability to make others do what you want, the legal right to make others comply with demands?

Federalism is the most common type of political system in the world.

Which of the following is the “bad” form of government where “the few” (a small group of elite people) hold political power?

According to Thomas Hobbes, life in state of nature is “solitary, poor, nasty, brutish, and short”

What goods are those whose benefits cannot be limited to those who have paid for it once the good is provided?

The main author of the Declaration of Independence was Alexander Hamilton.

Which of the following is a characteristic of k-means clustering?

In Principal component analysis, a scree plot is used to: