Answer:
B. The region changed from an agricultural area to an urban and industrial area.
The concrete operational stage
It's D.
Elections are decided by the people who show up at the polls. In the United States, the oldest citizens are the most likely to cast their ballots, which gives them political clout beyond their numbers alone.
Some 61 percent of citizens age 65 and older voted in the November 2010 election, the best turnout of any age group. More than half (54 percent) of those ages 55 to 64 also cast a ballot. People under age 45 are much less likely to vote. Just 37 percent of 25- to 44-year-olds made it to the polls in November 2010. And not even a quarter (21 percent) of the youngest citizens—ages 18 to 24—entered a voting booth in 2010. Here's a look at some of the reasons senior citizens are more likely to vote than younger people.
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When the Western Roman Empire began to lose their military power and political solidarity, invading Asian groups started to appear. The nomadic Germanic people began to feel the pressure of the population growth. They started to move to Great Britain and other parts of Europe, the Mediterranean and Northern Africa.
The answer to this question is the "WHITES". When it is given segregation patterns, many whites people in the United States have a limited contact or connection with the other group or with the people of other racial and the also in terms of ethnic background seems like there are boundaries between these group of people due to their differences.