What is the relationship between balkan history and geography?

The Balkan Peninsula controls both the isthmus and the means of entry to the inland seas from the Mediterranean Sea so it is a significant point of trading interest, thus, it was regular tactical point of interest in the old world. I am hoping that this answer has satisfied your query and it will be able to help you in your endeavor, and if you would like, feel free to ask another question.

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powers  are  denied  to the  national governmentin three distinct ways: some  powers, such as the  power  to levy duties on exports or prohibit the freedom of religion, speech, press, or assembly, are expressly  denied  to the  national government  in the  constitution.