There are different ways to increase import trade barriers. The easiest way is to create a tariff. To discourage the use of tariffs, the trade agreements promote the use of non-tariff trade mechanisms. Quotas are an example of a non-tariff trade policy.
Another example of a non-tariff trade policy would be .

Local Content Requirement

Explanation: As a tax on goods bought from abroad or exported out of the states, tariff is very necessary to maintain a country but the likes of goods produced in the states should its tariff should be reduced.

the correct answer option is b. a single paragraph.

explanation:

when you are thinking about paragraph​ topics, you should always choose a subject that can be adequately addressed in a single paragraph.

a paragraph is a piece of writing consisting of a few sentences that deal with a single theme. it has only a single idea that the paragraph revolves around and talks about.

so a paragraph topic must be chosen wisely where a single idea can be communicated in a single paragraph.

commercial banking

provide online payment services

provide online banking

asset management firms

invest in people's funds in securities

accept tax return refunds