Complex sentence: He collaborated with the "Sharqi-Rus" newspaper which was founded by Mehemmedaga Sahtaxtli and it was the Jalil Mammadqulzade`s first step to the world of press.
Split into simpler sentences: He collaborated with the "Sharqi-Rus" newspaper which was founded by Mehemmedaga Sahtaxtli. It was the Jalil Mammadqulzade`s first step to the world of press.