The correct options are
B Mexico - Unfair elections
C Pakistan - Military rule
The PRI in Mexico was known for using many dirty tricks and unfair practices during the elections. These dirty tricks gave them an unfair advantage over other parties that contested elections. General Pervez Musharraf was the military leader who led a military coup in 1999. He overthrew a democratically elected government in Pakistan. The military imprisoned their prime minister and took over the government.