Complex sentence: The civil and human rights initiatives of the 1960s and 1970s focused on issues of freedom of expression, freedom of conscience, freedom to emigrate, and political prisoners, and managed to consolidate such different currents within the dissident spectrum.
Split into simpler sentences: The civil and human rights initiatives of the 1960s and 1970s provided a common cause for several dissidents with these various concerns. They focused on issues of freedom of expression, freedom of conscience, freedom to emigrate, and political prisoners, and managed to consolidate different currents within the dissident spectrum.