Complex sentence: The collaboration between Filene and Bergengren, and the work of the Extension Bureau, proved very effective, bringing state laws to fruition in 26 states and substantially revised flawed legal frameworks in 5 others.
Split into simpler sentences: The collaboration between Filene and Bergengren, and the work of the Extension Bureau, proved very effective. It brought state laws to fruition in 26 states and substantially revised flawed legal frameworks in 5 others.