Why didn’t geography matter in the global trade era? What would compose the geographies of success in a de-globalized era? Why those attributes?

Why is Zeihan so concerned about declining birth rates? What consequences does he anticipate in countries with low birth rates? Why might this demographic trend hasten de-globalization?

How does the author support his prediction that China would economically, and possibly politically, collapse in a de-globalized world? Identify the strengths and weaknesses in his case.