The wagons had to be lightweight so it would be easier for the or to pull them.

1. seasonal

2. frictional unenployment

3. the number of the labor force multiplied by 100 and then subtract the number of unemployed.

4. 4%

5. an increase in prices

answer; protectionism fosters competition and keeps price regulated;

answer; psychological influences;

answersocial and politcal;