Identify the transitional word/s or phrase/s in the following sentence/s. Identify the type of transition.
In later years, the association grew and became more persistent, demanding answers from the government as to where their missing children were. After the military gave up its authority to a civilian government in 1983, the Mothers of the Plaza de Mayo have pressed the new government to help find answers to the kidnappings that took place in the Dirty War years.