One of the major accomplishments of the Shang dynasty was .isolated China from the rest of the world.
ending the flooding of the Chang Jiang river
providing government help to people in need.
developing a monotheistic religion in China.

providing government help to people in need.

Explanation:

One benefit was the Shange gave help to people who needed it most.

answer - providing government help to people in need.

what the first or next guy says

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.