Answer:
new substance is created..Hope that helps
The wealth of these city-states were flourishing, and it is visible because of the infrastructure being built. Note that better infrastructure is an opportunity for better trade. Trade = wealth.
The Balkan<span> Peninsula is surrounded by the Adriatic </span>Sea<span> to the west, the Mediterranean </span>Sea<span> (including the Ionian and Aegean </span>seas<span>) and the Marmara </span>Sea<span> to the south and the Black </span>Sea<span> to the east.</span>
