Answer:
No, while Arabs have made important contributions to Western Culture, their contributions have not been the most important. The most important contributions to western culture come from the Ancient Classical World: Ancient Greece and Ancient Rome, and from European contributions of the Middle Ages and the Modern Era.
Answer:
The depression was caused by a number of serious weaknesses in the economy. ... America's "Great Depression" began with the dramatic crash of the stock market on "Black Thursday", October 24, 1929 when 16 million shares of stock were quickly sold by panicking investors who had lost faith in the American economy.
The First Continental Congress wrote a petition to King George declaring Parliament couldn't pass laws on the colonists without representation by colonists.
Buying the Louisiana Purchase for $15 million