The first time marchers tried to cross the bridge, they were attacked and beaten by state troopers. and More than twenty thousand people joined the final, successful Selma to Montgomery march to show they supported the civil rights movement.
President Johnson refused to support the march for fear of losing political support in the South.
its the only option with an age range that akes sense. 3 year olds dont read newspapers or anything really so option c is out and adults over 60 and females over 90 are most likely gonna be too old to participate in sports