Complex sentence: The project originally was the idea of Abel Fialko, a Uruguayan resident in Israel who created a website in 1997 and began gathering more and more people, using the Internet, to his cause.
Split into simpler sentences: The project originally was the idea of Abel Fialko, a Uruguayan resident in Israel. Abel then created a website in 1997 and began gathering more and more people, using the internet, to his cause.