The correct answer is
<span>B. developing the Cherokee alphabet
He made a special alphabet which was designed for the Cherokee language which made it possible for others to send written messages and read translated works and similar things. This made the Cherokee vastly superior when it came to literacy compared to other Native-American tribes.</span>
The benefits were jobs, since the factories moved to cities and needed more workers the urbanization began thus creating a high demand for labor
I believe that all <span>13 states had to agree to any amendment of the federal government's power.</span>