9. How long did it take to convict Medgar’s killer? Why?

31 year was the time taken to convict merger's killer

- three-quarters or two-thirds..

- "the constitution provides that an amendment may be proposed either by the congress with a two-thirds majority vote in both the house of representatives and the senate or by a constitutional convention called for by two-thirds of the state legislatures."

< 3

yup! you are correct it is b.