Why do you think imperialism and slavery are related to each other?

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The relationships between European nations and the other "not civilized" countries changed when, in the last thirty years of the nineteenth century, in Europe there was a very important development of the industrial capitalism. Before then, the colonial expansion policy was a way to find new jobs for the European people and especially to defend and control the colonies for the resources they had, for example, they were the place of the raw material extraction.

the answer to your question is true

incident infrared radiation is blocked. visible and ultraviolet radiation heat   earth.

earth radiates infrared radiation. infrared radiation is blocked and heats earth. visible and shortwave radiation heat earth.

earth radiates longwave radiation

longwave radiation is reflected downward longwave radiation heats earth