In August of 1945, the American dropped atomic bombs on which of the following Japanese cities? Hiroshima and Beijing, Beijing and Tokyo, Hiroshima and Nagasaki

The  most important advantage  of  northeast china  that  mainly contributed toward its being  the  industrialand  technological center  of the  country  in the  1970s  and  1980s  is:   its  juxtaposition with china's  most important industrial  neighbors.