the answer is C, the OPEC oil embargo :)
Answer:
Brick-throwing mobs. Mass arrests. Torched synagogues. Broken glass. Between November 9 and 10, 1938, the pogrom now known as Kristallnacht resulted in the destruction of over 7,500 Jewish businesses, 1,000 synagogues, and any sense of security Jewish people in Germany and its territories felt in the face of Nazi rule and a growing tide of anti-Semitism.
Explanation:
Economic activities and religion i think
The answer is wheat. Wheat was one of the most exported products in the US because of its abundance. North America owns the largest fertile lands in the world. They make up 50 percent of the kernel production in the world. Wheat was being exported during the 19th century because most countries like Russia, Great Britain can not grow such product because of its climate and geographical location.