Controlling the distribution of land and resources
I believe the answer is: The flurry of investing artificially raised the price of stocks
The value of stock in speculative investing would be depended on the amount of people who buy the stocks rather than the company's performance in the market. This would give the impression that a price for a stock is higher than it supposed to be and weaken the stability in the stock market.
An island off the east coast of the United states of America,Ellis Island, was officially designated as the formal immigration entry point and gateway for immigrants mostly from Europe arriving to the east coast of the United States by the then President Benjamin Harrison in 1890. It today harbors the statue of liberty, a national monument.
NAZI party members were not imprisoned in concentration camps , as long as they didn't mess up :)
Henry Ford increased the production and sale of automobiles by introducing an assembly line and low prices.