In 1973 opec limited the amount of petroleum available to the united states. which term refers to one nation or group of nations isolating another nation by stopping trade?
a) blockade
b) boycott
c) embargo
d) quota

An externality can be created by a. people working at a production job and enjoying their work b. a production activity but not a consumption activity c. a consumption activity but not a production activity d. a production activity or a consumption activity externalities a. are always positive, and an example is flu vaccinations b. are always negative, and an example is the pollution created by trucks c. can be negative or positive. logging has a negative externality, and education has a positive externality d. can be negative or positive. a negative externality is having to go to school when you would rather go to the beach, and a positive externality is spending time with your friends

The fact that some sports teams have mascots that are associated with american indian stereotypes is an example of: a) the history of hate crimes b) the pain caused by racial equality c) the costs associated with hate crimes d) the legacy of racism

Africa, 1914 which statement is the best conclusion for the information presented in the map? a) european colonization had a positive impact on african nations. b) african colonization the economic growth of all european nations involved. c) by the outbreak of world war i, most of the african continent was under english control. d) by the outbreak of world war i, most of the african continent was under european control.