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"Thousands of people marched in the Argentine capital Buenos Aires on Thursday to mark 40 years since the start of a military dictatorship.               Demonstrators carried signs and photos of those who went missing during the brutal rule - which lasted seven years - and called for justice for the victims.               It's encouraging to see so many people, this person said. We will continue coming so it will not be forgotten.               In 1976, military and security forces rounded up and killed left-wing political dissidents, socialists, and people in labour unions.               Survivors of the crackdown say one of the military rulers' tactics was so-called \"death flights\", where political opponents were tossed into an airplane, stripped, and then thrown alive into the river and the Atlantic Ocean to drown.               U.S. President Barack Obama, who was visiting Argentina during the anniversary, said the U.S. was too slow to condemn the human rights atrocities committed at the time."^^<http://www.w3.org/2001/XMLSchema#string>
<http://in.reuters.com/video/2016/03/25/thousands-mark-the-anniversary-of-argent?videoId=367872819>