All three of these are true. That's why you can still find many of the islands inhabited by small groups of people that migrated there thanks to the Lapita technological advancements.
4- uniting the ottoman empire under an efficient government structure
The government plays the role of promoting economic growth and stability of a country. It does this by providing legal and policy framework, a stable environment for business activities, supporting business and investing in manpower and infrastructure
Haitian revolution was the most successful revolution endured by slaves