A minimum of 9 states had to ratify the US Constitution for it to go into effect.
Explanation:
On September 28, Congress directed the state legislatures to call ratification conventions in each state. Article VII stipulated that nine states had to ratify the Constitution for it to go into effect
Fred T. Korematsu was a national civil rights hero. In 1944 around the age of 23 he refused to go the governments incarceration camps for Japanese Americans and was arrested and convicted of defying the governments orders.