Complex sentence: But with the end of the war in sight, the New Republic has fallen victim to its own success: as an unwieldy alliance of races and traditions, the confederation new finds itself riven by age-old animosities.
Split into simpler sentences: But with the end of the war in sight, the New Republic has fallen victim to its own success. An unwieldy alliance of races and traditions, the confederation new finds itself riven by age-old animosities.