These things happened during the time of the Mexican Revolution. General Victoriano Huerta came after the assasination of Madero and Pino Suarez, but before that, Madero and Suarez were pushed to resign in 1913. The ouster of Huerta failed. The failure of Huerta's ouster resulted to a civil war.
The first article of the constitution has a focus on rights and limits. the rights of the congress are given and the limits they have. Hope that helped :)
The answer would be speaker 1
The news is a source that's very biased for example cnn