How did climate change shape the late middle ages?

Climate change has affected the whole world by facing environmental challenges that must be overcomed with responsibility considering the current and the next generations. During middle ages the European Nations were the ones more affected, because the climate change lower the food production in Europe. As a result, the European economy begun to slow down in contrast to American economy.

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. 

your answer would be a) no nation can be economically self-sufficient.

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