Homework question for SQL  Use the UNION keyword to return 2 columns from the Customers table, Company name and country. If the Country is USA the country value should be “Inside USA”. Otherwise the country value should be “Outside USA”

How do I apply a UNION for 2 columns for a single table?? This is what I have tried so far, and no matter where I place UNION  i'm not getting a result.

\--Question 6

SELECT companyname, Country

FROM Customers

WHERE Country = 'USA'