Moscow? The closest large city in Russia to the Baltic Sea is Moscow.
B) the doldrums has very calm or no winds year round and ships that were powered by sail could be trapped for days or even weeks
Answer:
A river delta is a landform created by deposition of sediment that is carried by a river as the flow leaves its mouth and enters slower-moving or stagnant water. This occurs where a river enters an ocean, sea, estuary, lake, reservoir, or (more rarely) another river that cannot carry away the supplied sediment.