Answer:
Once the question is incomplete, in order to complete the information about the Pakistan People's Party it is necessary to mention about the facts occured at the moment in which the question information is located.
Step-by-step explanation:
In 1988 the Pakistan People's party return to the power with the winning election of Benazir Bhutto named as the prime minister of Pakistan. At that moment the political party had a decline because of the situation of economic recession and national security problems; at that moment as well, Benazir worked as the leader of the opposition party with the finality to boycott the elections of 1990.