Answer:
Caprock
Explanation:
Texas is divided into four regions. North central plains are a region of Texas which is largest region. There is a bed of rocks known as Caprock below the soil. Caprock prevents the flow of any water or oil from below and these does not reach the soil. These rocks are harder and more resistant type of rocks.
Explanation:
The Viking age ended when the raids stopped. ... It was no longer profitable or desirable to raid. The Vikings weren't conquered. Because there were fewer and fewer raids, to the rest of Europe they became, not Vikings, but Danes and Swedes and Norwegians and Icelanders and Greenlanders and Faroese and so on
Answer:
America cannot have a completely open border, for then there will be no "United States of America". A nation is defined by it's borders, and for it to be a sovereign nation, there must be a border, as well as guards to the border. In the case of opening the borders, you are essentially not only taking away the sovereignty of the nation, but also taking away from the very definition of a nation, "a large body of people united by common..., inhabiting a particular
land". Without a border, without protection, without those who want to continue to help the US grow as a nation, America will not survive. In fact, no country will survive, as their benevolence will lead to structural & internal collapse.
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