Complex sentence: Following the Second Vatican Council, the Roman Catholic Church in Australia began exploring possibilities for relationships with other churches, and in 1994 the National Council of Churches in Australia (NCCA) succeeded the ACC, with the Catholic Church as a member.
Split into simpler sentences: Following the Second Vatican Council, the Roman Catholic Church in Australia began exploring possibilities for relationships with other churches. In in 1994 the National Council of Churches in Australia (NCCA) succeeded the ACC, with the Catholic Church as a member.