Supporters of former Democratic presidential candidate Bernie Sanders hold up posters at a “Black Men For Bernie” rally to gain support for third party candidates and protest the DNC during the 2016 Democratic National Convention on July 27, 2016 in Philadelphia, Pennsylvania. (Photo by Patrick T. Fallon/AFP Photo)

Supporters of Fernando Haddad react to a supporter (in yellow) of Jair Bolsonaro during a runoff election in Rio de Janeiro, Brazil on October 28, 2018. Bolsonaro, a brash far-right congressman who has waxed nostalgic for Brazil's old military dictatorship, won the presidency of Latin America's largest nation Sunday as voters looked past warnings that the former army captain would erode democracy and embraced a chance for radical change after years of turmoil. (Photo by Sergio Moraes/Reuters)

A pro-government supporter scuffles with an anti-extradition supporter outside the office of pro-China lawmaker Junius Ho in Tsuen Wan in Hong Kong, China on July 22, 2019. Hong Kong demonstrators gathered for another weekend of protests against the controversial extradition bill and with a growing list of grievances, maintaining pressure on Chief Executive Carrie Lam. (Photo by Edgar Su/Reuters)

Armed women attend a rally to show support to the Houthi movement in Sanaa, Yemen January 13, 2018. (Photo by Khaled Abdullah/Reuters)

Nazi dictator Adolf Hitler greets supporters at a May Day gathering in the Olympic Stadium, Berlin. (Photo by Keystone). 1st May 1938

Women loyal to the Houthi movement parade to show support to the movement in Sanaa, Yemen January 17, 2017. (Photo by Khaled Abdullah/Reuters)

A supporter of the Houthi movement attends a rally marking the birth anniversary of Prophet Mohammed, in Sanaa, Yemen December 11, 2016. (Photo by Khaled Abdullah/Reuters)

Pro-government supporters attend a rally of members of the education sector in Caracas, Venezuela June 14, 2016. (Photo by Ivan Alvarado/Reuters)