Complex sentence: The United States Census contends that all Africans descended from north of the Sahara are white; and some scholars that the experience and racial identity of North Africans does not fit easily into traditional Western taxonomies.
Split into simpler sentences: The United States Census contends that all Africans descended from north of the Sahara are white. In addition, some scholars contend that the experience and racial identity of North Africans does not fit easily into traditional Western taxonomies.