What is the primary (and controversial) biofuel that the Energy Independence and Security Act of 2007 mandated an increased use of?

Most American cities elect their council members in partisan elections with less focus on personality, style, or image of a candidate

Indicate whether this statement is true or false.

In unitary systems, which of the following is true?

a. All governmental authority always rests with one person such as an emperor. b. Local governments dictate policy to the national government. c. Various ethnic groups are proportionally represented in a “united” parliament. d. The national government monopolizes constitutional authority.