3. ¿Qué efectos negativos podría haber tenido esta característica geográfica en China? ​

Which of the follow modern activities would only have been possible after the neolithic revolution

At the time of the brown v. board of education decision,schools were segregated everywhere in the country.several states had laws requiring segregated schools.schools in nearly every state has been desegregated.segregation was common in the north, but not in the south.

How may an amendment to the constitution be proposed?