Complex sentence: Riding in a saddle was reserved for the samurai class until the end of the samurai era in 1868, lower classes would ride on a pack saddle ("ni-gura or konida-gura") or bareback.
Split into simpler sentences: Riding in a saddle was reserved for the samurai class until the end of the samurai era in 1868. Lower classes would ride on a pack saddle ("ni-gura or konida-gura") or bareback.