Although it of course can't hurt to memorize the political affiliation of each president, it's not entirely necessary--mostly because the nature of political parties themselves have changed so much since America's founding (for instance the Republican Party today is far different than the Republican Party during Lincoln's time). It would be more useful to understand how and why these political parties shifted so much.
Some farmers let certain fields lie fallow so that it can battle against the<u> Soil Erosion</u> which can happen if you plant the same plant over and over again which can deplete nutrients that helps the soil go un-eroded.
<em><u>Hope this helps!</u></em>
Answer:
Rising global temperatures
Explanation:
Obviously not the two options in between because its contrast and rising air pollution is not a part of climate change.
The correct answer is: [A]: "Andrew Carnegie" .
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