I do not know any of the answers since I did not read the passage, the next time you could put a link to the passage so it's better to comprehend. That's my best suggestion.
I suggest: Put some context and background knowledge <em>before</em> putting the questions themselves for people to answer. If you don't do that, then people would be coming into this blindly.
Tariffs can help domestics producers but can hurt consumers. Governments impose tariffs on imported goods and services to make them more expensive to consumers. Tariff provides revenue to the government and give a price advantage to domestic producers. While it protects domestic industries, it can also hurt foreign producers.
Answer:
Excuse me, is that a question?
Schools were closed, and lack of sanitation are the effects.
