Seddon succeeded to the leadership of the Liberal Party following Ballance's death in 1893, inheriting a bill for women's suffrage, which was passed the same year despite Seddon's opposition to it. Seddon's government achieved many social and economic changes, such as the introduction of old age pensions. It also purchased vast amounts of land from the Māori. An imperialist in foreign policy, his attempt to incorporate Fiji into New Zealand failed, but he successfully annexed the Cook Islands in 1901. Seddon's government supported Britain with troops in the Second Boer War (1899–1902) and supported preferential trade between British colonies. Seddon was the second New Zealand head of government to die in office (after his predecessor, Ballance).