Constantinople was located at the convergence point of the sea and sea?

Aegean Sea and Black Sea

there are two main types of historical sources: primary sources and secondary sources. a primary source is something that originates from the past. it can be a chronicle, a piece of pottery, or even a piece of glacial ice that gives us climate data about the levels of atmospheric carbon one thousand years ago.

workers should be given a fair share of the wealth their work creates

hope this