Question: What is the commonly known name of the charter written by a Swiss-French political activist in 1815?
Sentence (from "Benjamin Constant"): He was a fervent liberal of the early 19th century, who influenced the Trienio Liberal movement in Spain, the Liberal Revolution of 1820 in Portugal, the Greek War of Independence, the November Uprising in Poland, the Belgian Revolution, and Liberalism in Brazil and Mexico.
Relevant evidence: No