Who was at the bottom of the Caste system?

The Untouchables

Explanation:

In addition to the varnas, there is a fifth class in Hinduism. It encompassed outcasts who, literally, did all the dirty work. They were referred to as "untouchables" because they carried out the miserable tasks associated with disease and pollution, such as cleaning up after funerals, dealing with sewage, and working with animal skin.

Brahmins were considered the embodiment of purity, and untouchables the embodiment of pollution. Physical contact between the two groups was absolutely prohibited. Brahmins adhered so strongly to this rule that they felt obliged to bathe if even the shadow of an untouchable fell across them.

honestly you should get that checked out because it really isn't normal

freedom of speech is also protected by the 1 amendment.

explanation:

here is pretty much what the 1st amendment says:

congress shall make no law respecting an establishment of religion, or prohibiting the free exercise thereof; or abridging the freedom of speech, or of the press; or the right of the people peaceably to assemble, and to petition the government for a redress of grievances.