Complex sentence: Amidala was, at the time, the most famous and prominent of the group, and was thus their spokesperson, but she realized that this made her a target and later advised the others to go quiet in their dissent and exclude her from any future proceedings.
Split into simpler sentences: Amidala was, at the time, the most famous and prominent of the group, and was thus their spokesperson. She realized that this made her a target and later advised the others to go quiet in their dissent and exclude her from any future proceedings.