The first one would be your answer, Imposing British governors in the colonies.
Five factors that spurred industrial growth in the late 1800's are Abundant natural resources (coal, iron, oil); Abundant labor supply; Railroads; Labor saving technological advances (new patents) and Pro-Business government policies.
The answer would be the first one
The one the only, the ever so infamous, Joseph Stalin.
Guerrilla warfare was the rules of war that we fought by