Answer:The revolution began against a background of widespread dissatisfaction with the elitist and oligarchical policies of Porfirio Díaz that favoured wealthy landowners and industrialists. When Díaz in 1908 said that he welcomed the democratization of Mexican political life and appeared ambivalent about running for his seventh reelection as president in 1910, Francisco Madero emerged as the leader of the Antireeleccionistas and announced his candidacy. Díaz had him arrested and declared himself the winner after a mock election in June, but Madero, released from prison, published his Plan de San Luis Potosí from San Antonio, Texas, calling for a revolt on November 20.
It doesn't show how the camp will be difficult so it isn't b. C is wrong bc it doesn't suggest bad people or nice people at the camp. D is wrong bc its not in a joking manner, so yeah ur answer is A