Complex sentence: Rasoherina and her successors remained the figureheads of traditional authority, participated in political councils and provided official approval for policies, but the day-to-day governance, security and diplomatic activities of the kingdom principally originated with and were managed by Rainilaiarivony and his counselors.
Split into simpler sentences: Rasoherina and her successors remained the figureheads of traditional authority, participated in political councils and provided official approval for policies. However, the day-to-day governance, security and diplomatic activities of the kingdom principally originated with and were managed by Rainilaiarivony and his counselors.