How do a countries trade policies effect its businesses?

International trade increases the number of goods that domestic consumers can choose from, decreases the cost of those goods through increased competition, and allows domestic industries to ship their products abroad.

Corona Virus control

Explanation:

Corona Virus control: since Corona Virus victim can be either symptomatic or asymptomatic, a country with less than fifty million (50,000,000) should carry the test on all occupants of the nation, then separate the positive victims from the negative victims, while all other control method employed, it the most effective system of control.