The correct answer is - D: Fertile Farmland.
The civilizations in South Asia, as well as their major cities, were always located at places that had an abundance of fertile farmland. This usually meant that the major cities were established in close proximity to the large rivers, as their valleys had a lot of fertile farmland.
The main reason why the major cities in this part of the world were built in areas with lot of fertile farmland is because the economy was based on the agriculture. Another reason was the large populations on small areas. So basically, lot of food needed to be produced in order for this societies to be able to survive, and if possible to trade some food for other goods that they didn't had.
Positive effect is the usage of more land whereas negative effects is the control problem of that land.
<h3>Effects of settling the west</h3>
The positive effect of settling the west is that it provides America more land to use and its resources for the betterment of the economy while on the other hand, the negative effect of setting the west is that it was more land to control for the United States as well as the United States had to fight 2 wars to gain the territory.
<h3>Effects of railroads on the physical environment</h3>
The main disturbances caused by railways are air, soil and water pollution and noise which adversely affect species and organisms present in that environment.
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As the same themes apply to people living in very different times and places, therefore, It is useful for historians to base certain studies on the analytics of historical themes. The correct option is B.
<h3>
Who is called a historian?</h3>
The individuals who research and write approximately the beyond and for that, they do enormous studies from the quality sources available and draw conclusions from them are referred to as Historians.
To have the correct records about the past they need to do detailed research of the historic issues that may be carried out thru the assessment among the useful resource of the similar time frame and places.
The missing information in the question is as follows:
A. There are fewer historical themes than there are regions or periods.
B. The same themes apply to people living in very different times and
places.
C. All the cultures in a particular region respond to historical themes in the same way.
D. Experience has confirmed that analyzing themes is the most effective approach to history
Thus, The correct statement for the above question is Option B.
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Answer:
Explanation:Whaat do you need to do here? i dont unberstand
Isolationists didn't want to join European schemes or war efforts. The Lend-lease program was a program by the government to help send help to Europe but isolationists wanted to stay on their continent and not participate in any of the affairs there.
