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 main purpose of the Interstate Commerce Act of 1887 was to regulate the new railroad industry and transportation business in the United States, since many of the railroad companies were operating monopolies.
The choices were; sexual orientation, religion, age and Mental illness.
The answer is sexual orientation. It indicates that there is no protection on sexual identity and attraction to having a relationship on other gender identities such as a male, female, transgender, genderqueer, etc.). The law doesn't specifically protect people under these conditions.