4. Which concept best identifies American attitudes about World War I when th war began in Europe?
O isolationism
O imperialism
O militarism
O nationalism

One way in which the european union encourages trade among countries is through the use of

Arecent challenge to the european union created by a member state is?

Which statement is a good description of a model? a) models are a description of nature based only on one or two variables. b) models are testable ideas but they are not very to most people. c) models are a description of nature that predicts more accurately than real events. d) models are an approximiation of a real system that omits all but most essential variables in a system.