How long does it take a rock to be roach

Agerman mapmaker named a continent after me

In the years after world war ii, which of the following caused many people from asian and african countries to migrate to europe? a. the end of the soviet union b. new economic opportunities after colonialism ended c. the religious freedom found in europe d. new laws allowing greater numbers of immigrants into european countries

Which groups of people most directly benefited from song innovations in the song dynasty‘s open border policy?