Islam spread through military conquest, trade, pilgrimage, and missionaries.
Answer:
B. Federal laws can supersede state laws
Having weathered this crisis, Necker continued to serve the monarchy until September 1790, when he resigned his position and retired to a château in Switzerland. He died there on April 9, 1804.
The correct answer is B) "Bought grain, stored it, and resold it during times of low harvest":
Following a tendency of nationalizing several industries, which included salt, iron, and liquor, emperor Wu decided to interfere with the trade of grain in 110 BC. This happened as a response from the government to eliminate speculation generated by merchants by selling previously stored grain at below-market prices.