Which are examples of china's early civilization? choose all answers that are correct.
a. they wrote on animal bones.
b. an empress discovered silk while drinking tea.
c. they wove baskets and made cloth.
d. they worshipped the dragon as their single god. e. houses were made of wood and built along the rivers.

4 copper and gold, the california gold rush is why im pretty sure.

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.