I believe that the direct effect of the passage of the Seventeenth Amendment is that it improved representation of the people, because now they were able to directly choose Senators, which made the whole voting process a lot democratic.
Answer: The British wanted to settle in the Ohio River Valley and to trade with the Native Americans who lived there. The French built forts to protect their trade with the Indians. The American Indians liked the French because they traded but did not settle on the land.
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In Europe, the Crusades led to economic expansion; increased trade and use of money, which undermined serfdom and led to prosperity of northern Italian cities. They led to increased power of the monarchs, and, briefly, to increased power of the papacy.
Additional money on Social Security can actually lead to an increased security in the country, something the military also wants to achieve.
Specifically, it will decrease a number of people in desperate positions who are more likely to commit crimes.
So for example, decreasing poverty can be more effective as a anti-terrorism measure because it decreases people's desperation, which often leads them to join gangs and terrorist groups.
Answer: The Industrial Revolution transformed economies that had been based on agriculture and handicrafts into economies based on large-scale industry, mechanized manufacturing, and the factory system. New machines, new power sources, and new ways of organizing work made existing industries more productive and efficient.
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