Answer:
I can't answer 13, but 14 is silk, ancient China kept secret the way to make silk because (15) it gave them an advantage in trade (the silk road) because other countries would trade their goods for silk since china wouldn't tell them how to make it. Hope this helps!
Answer:
Anti-War Activism
Explanation:
In 1916 the iww formulated its official oppostion to WWI Promoting use of general strikes duing wartime
sorry of english is a bit messy im not american
D. permeable stone because the rock is covered in water
