Complex sentence: He also supported the gradual evolution of the colonies, particularly India, to the same status, unlike from Churchill, a free trader, who was less interested in the Empire as such and more in Britain itself as a great power.
Split into simpler sentences: He also supported the gradual evolution of the colonies, particularly India, to the same status. In this he differed from Churchill, a free trader, who was less interested in the Empire as such, and more in Britain itself as a great power.