Characteristics of african colonies included democratic government economic prosperity for africans forced labor lack of services larger police forces non-representative governments stronger family ties urbanization

Characteristics of African colonies included:
Forced labor, lack of services, larger police forces, non-representative government, and urbanization. 

This is because African's economy isn't all that good including the government, people were forced to do labor including children in order to offered to buy food, clothing, houses and medicine and education.

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H=   2(area/a+b)h= 2(144/a+b)h= 2(144/18+18)h= 2(144/36)h= 2(4)h=8

Answer// dinosaurs emerged during mesozoic era;