Which part of the Fertile Crescents geography was most important to the growth of civilizations?

The fertile soil, if not it's going to be flooding rivers. Hope this helped ^_^

Explanation:

leonardo was the supreme renaissance painter, scientist, inventor, and polymath. da vinci is widely regarded as one of the greatest minds the world has ever produced. he was interested in everything from music to art and science. da vinci was an immense creative force at the start of the renaissance period. amongst his many works was the immortal painting – the mona lisa.

hope this : )

which empire had the greatest influence on the history and cultural development of russia?