I only know one of them. But Japanese Americans primarily lived in Hawaii from my understanding.
There are about three big ones that come off the top of my head.
- It overruled the Plessy v. Ferguson case, which made Jim Crow and Segregation legal with its famous “separate but equal” ruling.
- It emboldened the Civil Rights movement, as this major victory gave organizations like the NAACP and CORE a legal platform to combat racism.
- It redefined the values of America, replacing Segregation with Integration.
Glasnost
It was started by the leader of the former Soviet Untion, Mikhail Gorbachev, beginning in 1985 and as the policy (or practice) of a more open government and more sharing of information.