An American benefits from a Union because Unions can help worker's rights be protected in the workplace and can communicate for the worker with the bosses, as well as represent the worker if they think there's unfair treatment.
United States followed a policy of isolation in the 1930s
The answer is D, all of the above. Think of a machine, all parts need to
be well oiled and working together in order to function properly. It's
important for all countries to work together to accomplish one goal.
Resource depletion is a serious problem that all countries are
contributing to.