The shape would be a trapezoid, because trapezoids always have two sets of equivalent angles, while others don't. Like squares and rectangles have all 90 degree angles.
Im writing this to finish a challenge
The My Lai massacre changed public perception of Vietnam drastically. Many people already thought it was an unjust war, and this added to that anti-war sentiment. When many veterans came home they were treated like trash, because everyone back home saw the terrible war crimes committed by the U.S. Many people called for an end to Vietnam after it.
Nelson Mandela is famous for being a civil rights activist for South Africans. Black lives matter is a movement about rights for all Blacks. Both stand for black rights, though Nelson Mandela was standing up for a specific group of black.