Complex sentence: Syme had supported Berry in the fight for protection and during the constitutional struggle, but was not satisfied with him as an administrator, and though opposed to James Service he recognized that Service had the very qualities Berry lacked.
Split into simpler sentences: Syme had supported Berry in the fight for protection and during the constitutional struggle, but was not satisfied with him as an administrator. Although opposed to James Service, Syme recognised that Service had the very qualities Berry lacked.