Complex sentence: Zwide knowing this planned to destroy the Zulu Empire in order to secure Ndwandwe domination of Zululand, however in 1820, he led his army into battle against the Zulu at the Battle of the Mhaltuze River.
Split into simpler sentences: Zwide knowing this planned to destroy the Zulu Empire in order to secure Ndwandwe domination of Zululand. However in 1820, he led his army into battle against the Zulu at the Battle of the Mhaltuze River.