Complex sentence: His government advertised the opportunities in newspapers: "promising free land and political opportunity to black settlers." He desired to africanize the island and discourage a popular insurrection from the whites on the eastern side of the island.
Split into simpler sentences: His government advertised the opportunities in newspapers: "promising free land and political opportunity to black settlers". He wanted to africanize the island and discourage a popular insurrection from the whites on the eastern side of the island.