Complex sentence: Independent Republican is a term occasionally adopted by members of Congress in the United States to refer to their party affiliation and is also used for those on the state level who are Republicans but do not affiliate with the national Republican Party.
Split into simpler sentences: Independent Republican is a term occasionally adopted by members of Congress in the United States to refer to their party affiliation. It is also used for those on the state level who are Republicans but do not affiliate with the national Republican Party.