Why would it be beneficial for those states with deposits of iron ore to also have steel manufacturing plants?

first paragraph (and busy all the night ,with a silence deep and white )

the right answer for the question that is being asked and shown above is that: "their policy of "divide and rule" pitted political groups against each other to keep any one group from becoming too powerful.  " the  participant in european imperialism is being described below is that  their policy of "divide and rule" pitted political groups against each other to keep any one group from becoming too powerful.