The impact of migration from 2010 to 2017 created a large increase in immigrants in the continents of Africa and Europe.
During 2010-17 due to the expansion of population there was growth of slums and asylums.
Hence option B is correct, as more emigrants sent money home, this money helped in the growth of their country of origin.
Learn more about the From 2010 through 2017 there was a large increase in the number of migrants from Africa to Europe.
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