Which state constitutional officer's job is officially nonpartisan?

How does a tariff protect U.S. industries from foreign competition?

a. by making foreign products more expensive than U.S. products b. by placing a limit on the amount of goods that can be imported c. by banning exports to a particular country or countries d. by banning imports from a particular country or countries

Statistically, democracies seem to be involved in wars as often as other countries

Indicate whether this statement is true or false