I assume that these are the options.
the first option, tariff, is a form of tax.
the second option, work ethic, is indeed something the workers can do to improve the economy so this is the correct answer
Osaka is a city and trade surplus would be more an effect than it cause for good economy
Answer:
Europe was strongly encouraged by Senator Gerald P. Nye of North Dakota
In the United States, both the President and the State Department are responsible for foreign policy, although most of these powers are delegated to the Secretary of States.