1. The 18th amendment banned the sale and the drinking of alcohol.
2. The 19th amendment gave women the right to vote.
The statement in Martin Luther King Jr.'s "I Have a Dream Speech" is trying to point out South's racial problems. But the sad part is that it is ignored racial injustice that you can find in the North is not true. Nevertheless, the whole speech is focused more on the South's injustices that is also recognized in the South.
The answer is - By encouraging families to have one child each by increasing the availability of social services. China used to have a one child policy (with exceptions) that was introduced in the late 70s but was abolished in 2015.
Russia. We had nukes aimed at each other in countries near each other
