Complex sentence: It linked the new business centre of Old Zagreb with the settlements on the north banks of the Sava, and with the aid of a ferry or pontoon bridge, Zagreb was also linked with the regions on the other side of the river.
Split into simpler sentences: It linked the new business center of Old Zagreb with the settlements on the north banks of the Sava. Additionally, with the aid of a ferry or pontoon bridge, Zagreb was also linked with the regions on the other side of the river.