Which of the following was a race-based system in the American colonies?

I hope this helps:

Explanation:

"In 1619 Africans arrive in Virginia as indentured servants; over the next century, laws develop that define slavery by race."

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.