People wait for the arrival of U.S. Vice President Kamala Harris to the Palacio Nacional for a meeting with Mexico's President Andres Manuel Lopez Obrador in Mexico City, Mexico June 8, 2021.

U.S. Vice President Kamala Harris looks on as she and Mexico's President Andres Manuel Lopez Obrador (not pictured) attend the signing ceremony of a Memorandum of Understanding between the United States and Mexico to establish a strategic partnership to cooperate on development programs in the Northern Triangle at the Palacio Nacional in Mexico City, Mexico June 8, 2021.

U.S. Vice President Kamala Harris speaks during a meeting with labor leaders at the Sofitel Mexico City Reforma hotel in Mexico City, Mexico June 8, 2021.

Mexico's President Andres Manuel Lopez Obrador and U.S. Vice President Kamala Harris tour the Palacio Nacional after attending the signing ceremony of a Memorandum of Understanding between the United States and Mexico to establish a strategic partnership to cooperate on development programs in the Northern Triangle in Mexico City, Mexico June 8, 2021.

U.S. Vice President Kamala Harris and Mexico's President Andres Manuel Lopez Obrador attend the signing ceremony of a Memorandum of Understanding between the United States and Mexico to establish a strategic partnership to cooperate on development programs in the Northern Triangle at the Palacio Nacional in Mexico City, Mexico June 8, 2021.

People take part in a protest against the visit of U.S. Vice President Kamala Harris in Mexico City, Mexico June 8, 2021.

U.S. Vice President Kamala Harris walks alongside Mexico's President Andres Manuel Lopez Obrador after arriving at the Palacio Nacional in Mexico City, Mexico June 8, 2021.

Mexico's President Andres Manuel Lopez Obrador gestures next to U.S. Vice President Kamala Harris as they attend the signing ceremony of a Memorandum of Understanding between the United States and Mexico to establish a strategic partnership to cooperate on development programs in the Northern Triangle at the Palacio Nacional in Mexico City, Mexico June 8, 2021.

U.S. Vice President Kamala Harris walks to attend a meeting with labor leaders at the Sofitel Mexico City Reforma hotel in Mexico City, Mexico June 8, 2021.

Mexico's President Andres Manuel Lopez Obrador and U.S. Vice President Kamala Harris have a conversation as they attend the signing ceremony of a Memorandum of Understanding between the United States and Mexico to establish a strategic partnership to cooperate on development programs in the Northern Triangle at the Palacio Nacional in Mexico City, Mexico June 8, 2021.

Mexico's President Andres Manuel Lopez Obrador and U.S. Vice President Kamala Harris attend a bilateral meeting at the Palacio Nacional in Mexico City, Mexico June 8, 2021.

Women hold up a sign outside the Sofitel Hotel during the visit of U.S. Vice President Kamala Harris to Mexico City, Mexico June 8, 2021.

U.S. Vice President Kamala Harris walks to speak to media ahead of meeting women entrepreneurs, at the Sofitel Mexico City Reforma hotel in Mexico City, Mexico June 8, 2021.