Territorial Acquisition—this term simply means land that taken over by a country.
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This is referred to as Nationalism. It is the notion or belief that one's country possesses qualities or traits not found in that of other nations. It often promotes a sense of exceptionalism and superiority; therefore, it has often led to <em>Chauvinism </em>which is a rather hostile form of Nationalism and is often utilised as a political tool to achieve an ends.
Mixed nations and borders. You can use the question itself to get the answer, since imperialism left such a strong legacy in africa, the borders were so defined and the natives were forced to abide by them. So there is no reason for there to be any confusion about what is where.
Benjanin Franklin proposed the Albany Plan of Union which was a plan<span> to create a unified government for the Thirteen Colonies, suggested by Benjamin Franklin, then a senior leader (age 45) and a delegate from Pennsylvania, at the </span>Albany<span>Congress in July 10, 1754 in </span>Albany<span>, New York.</span>