The dust bowl was a sever drought caused by fluctuations in ocean temperatures. Other factors that contributed to the affect it had on the Midwest was the dry climate and their use of poor farming techniques.
The answer is obviously D. Thousands and thousands of Native Americans were killed for their land by the Europeans and everybody in the world knows that blacks were slaves at one point in history.
<span>The correct answer should be something like the Russian Monarchy or the Russian Government. They mass murders of Jews were called pogroms and were carried out by both the government and angry people who believed that Jews were responsible for the assassination of Alexander II. Alexaneder III created many anti jew laws and if they didn't convert to Eastern Orthodoxy they would have serious issues with the locals.</span>
