Answer:
B. 1) Karena and 2) Nathan, if Nathan has looked for work during the previous four weeks
Step-by-step explanation:
Both Karena and Nathan are counted as unemployed according to the U.S labor force statistics.
Unemployment refers to the inability of a willing and able Individual who falls in the labor force category of a country to get a suitable job.
The labor force age group of countries differ from each other but it is usually between the age of 18-65 years.
Unemployment is a situation in which a person who is willing to work coupled and has ability(phycal, emotional) to work does not get a job.
There are different types of unemployment which includes:
1. Structural unemployment
2. Cyclical unemployment
3. Seasonal unemployment
4. Frictional unemployment
5. Underemployment