Does any one know how to do this

Yes, it is something you can learn easily. Hope this helps you. :)

Explanation:

1. Carl's

2. Queen's

3. strawberries'

4. mother's

5. neighbor's

6. zebras'

7. Karla's

8. clowns'

9. women's

10. parents'

11. policeman's

answer; /// the correct answer to the above statement is (a) because of the decline on native american labor forces;