Complex sentence: Santa Cruz Governor Rubén Costas accused Morales of being an Aymara fundamentalist and a totalitarian dictator responsible for state terrorism, also lambasting him and his supporters with racist epithets, while foreign commentators began speculating on the possibility of civil war.
Split into simpler sentences: Santa Cruz Governor Rubén Costas lambasted Morales and his supporters with racist epithets, accusing the president of being an Aymara fundamentalist and a totalitarian dictator responsible for state terrorism. Amid the unrest, foreign commentators began speculating on the possibility of civil war.