Answer:
An O-ring seal failure in right SRB (Solid Rocket Booster) is what caused the explosion.
<span>On May 4, 1970, after days of unrest over America's invasion of Cambodia during the Vietnam War, student protesters at Kent State University clashed with Ohio National Guardsmen. The guardsmen opened fire, killing four students and wounding nine others. People were believe the Guard, under the pressure of a rock throwing attack, fired its weapons indiscriminately, killing four people.</span>
. They named the area La Cañada de los Osos or Valley of the Bears.
<span>The Spanish eventually realized that the “Valley of the Bears” had a large amount of food and other natural resources and that the local tribe, the Chumash, were friendly. They decided that it would be a good location for another Mission. The Mission is located a few miles from the coast in a protected valley with good land for farming. </span>