How could this document be used to explain a primary cause of european imperialism in africa?

The Europeans took over because Africa was rich in raw materials, they wanted power, and they thought their culture was superior. The driving force behind imperialism was need for resources, political competition, and technological advances.

besides the fact that abraham lincoln abolished slavery, and greatly benefit black people, he had a heavy impact of the definition of what democracy was, and should be.

a historian is attempting to study how the puritans affected society in new england