Identify and explain one reason european powers colonized only the coast of africa during the period 1450-1750 c. e

The correct answer to this open question is the following.

One reason European powers colonized only the coast of Africa during the period 1450-1750 was the spread of Malaria over the African continent. For instance, the Portuguese were the firsts to land in Guinea, West Africa. In had to pas some years for the Europeans to realize the kind of raw materials and natural resources that existed in the African continent. Then. these European powers such as the British, French, Spaniards, and Portuguese colonize new lands and exploited these resources.

answer: nope

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roosevelt believed that in light of the country's recent military successes, it was unnecessary to use force to achieve foreign policy goals, so long as the military could threaten force. this belief, and his strategy of “speaking softly and carrying a big stick,” shaped much of roosevelt's foreign policy.