Complex sentence: In 1923, it adopted Pan-Celticist ideals, drawing a line between Gauls and Bretons, and arguing that the traditionally federal Bretons were oppressed by the autocratic Latins of France.
Split into simpler sentences: In 1923, it adopted Pan-Celticist ideals, drawing a line between Gauls and Bretons. Arguing that the traditionally federal Bretons were oppressed by the autocratic Latins of France.