Across

3. make a change in the good way
4. a commercial business
5. somebody who sell drugs is a ...(the fourth first letter)
8. a person engaged or qualified in a profession.
10. an International Business Machines Corporation
11. treating people with the same way
12. put money into a financial commercial venture by example with the expectation of achieving a profit
15. a big place : a large building where raw materials or manufactured goods may be stored.
16. regroup a lot of countries

Down

1. engaged
2. INTERNAL
6. the state of being equal, especially in status, rights, or opportunities
7. a group of people having a particular characteristic in common
9. useful
13. an act of giving one thing and receiving another in return
14. the action or business of promoting and selling products or services, including market research and advertising