Questions:
1. About the topic #3: Look at topic #3. The assignment is to discuss a potential change where you work. That means a specific business, not a native country.
2. Remove citation
3. Only need to write four paragraphs, it would be better.
4. A Suggestion: At the end of the first paragraph, need a topic sentence. Then at the beginning of the second and third paragraphs, need a thesis sentence. Then using samples or somethings to explain the thesis sentence. Then the last paragraph to summarize your whole idea.