Short answers, pulled from the story.
Javier Pérez de Cuéllar, the former Secretary General of the United Nations, established Union for Peru in 1994. He joined forces with Daniel Estrada Pérez and José Vega Antonio to create this new political vehicle.
In 2006, Union for Peru won 21.2% of the vote and secured 45 seats through an alliance with the Peruvian Nationalist Party. This coalition endorsed Ollanta Humala for president despite splitting immediately after the vote.
Antauro Humala led a faction into the party during the late-2010s and brought the ethnocacerist movement into what was once a social democratic organization. This shift marked a departure from the original platform established by Javier Pérez de Cuéllar toward indigenous nationalist themes.
José Vega, the party Secretary-General, was disqualified on the 29th of December 2020 due to legal hurdles regarding income disclosure forms. He was reinstated on the 6th of February 2021 before Election Day.
Union for Peru lost all thirteen seats and received only 2.1% of the popular vote in the 2021 election cycle. The party faced disqualification and loss of parliamentary representation following these results.