the third one is the correct answer I think
The Mexican Revolution destroyed the old government and army of the dictator Porfirio Diaz, and eventually changed the country's economic and social system. The Mexican government recognized the labor unions and peasants organizations, and promoted their organization, and their incorporation into the state-party
It has to be a it is the only option
Answer:
The military history of the United States during the Korean War began in the context of the defeat of Japan by the Allied Powers in World War II which heralded the end to 35 years of Japanese occupation of the Korean Peninsula and led to the peninsula being divided into two zones; a northern zone occupied by the Soviet Union and a southern zone occupied by the United States. After negotiations on reunification failed, the latter became the Republic of Korea or South Korea in August 1948 while the former became the Democratic People's Republic of Korea or North Korea in September 1948.
The chorus described what the audience was seeing and also gave analysis and therefore help the audience understand the theme.