Respuesta :

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. 

Answer:

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.