How did the romans change the style of sculpting

they searched for new avenues of artistic expression, moving away from their Etruscan and Greek roots, by the middle to end of the 1st century CE roman artists seeked to capture and create optical effects of light and shade for greater realism

Explanation:

they accomplished that by using glass and terracotta

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explanation:

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.