Answer:
C. gunpowder
Explanation:
gunpowder
And maybe the biggest single innovation that changed the world, for better or worse, was the use of gunpowder, which there's some use in the late Tang, but it really starts to get perfected during the Song Dynasty. The Song Dynasty is eventually overthrown in the 13th century by the Mongols.
Both protests were against war. Anti-war protests were carried out to disrupt meetings and prevent war in Vietnam and the US.
A. The congress
The articles of confederation only created the legislative branch.
