Complex sentence: However, the Jewish sources point at the rivalry between Polyakov and ethnic Russian bankers represented by the mayor of Moscow Nikolay Alekseyev; the competition allegedly influenced the deportation of Jews of 1891--1892.
Split into simpler sentences: However, the Jewish sources point at the rivalry between Polyakov and ethnic Russian bankers represented by the mayor of Moscow Nikolay Alekseyev. This competition allegedly influenced the deportation of Jews of 1891--1892.