Mount Rushmore is located in South Dakota.
During World War II, the need of the United States for more war materials resulted in the "<span>(3) rationing of some consumer goods" so more could be spent on the war effort. </span>
Excuse me, this does not look like a HISTORY question.
Over speculation means to over "guess." eg, majority of the people feel the stock market will go up, so they greedily buy, when in reality it's the peak already and stock market prices will drop soon.