<span>According to one school of thought, Eriksson sailed off course on his way back to Greenland and landed on the North American continent, where he explored a region he called Vinland. He may also have sought out Vinland based on stories of an earlier voyage by an Icelandic trader.</span>
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While Hoover ignored pleas of help from many people believing that the government should not intervine on their personal lives, much of it had to do with corrupt banking and overproduction from farms. Hoover could have regulated the banks better but the depression is not entirely his fault.
The choices for the above question are:
<span>A. shifted to the left
B. shifted to the right
C. stayed the same
D. became equal to zero
</span>
When Hurricane Katrina shut down many oil refineries, the supply curve for oil shifted to the left. The answer to your question is A. I hope that this is the answer that you were looking for and it has helped you.