I need some help who's good in history??

Question

Here are some questions

1. Why did China rely more on colonization than on conquest to expand its empire in the 18th century?

2. What internal problems and foreign foes did the Ottoman Empire face in the 18th century?

3. How did Britain become the dominant power in India?

4. Why was the slave trade so important for the economies of West Africa, Europe, and the Americas?

Answer 1

3. The East India Company

4. Slaves did the labor.

Answer 2

sounds like homework.