I would have to say it would be C?
Answer: Some Nazi scientists were brought to the USA to work with NASA during Operation Paperclip and other Nazi's ended up in Latin America, particularly Argentina though also in Paraguay, Colombia, Brazil, Uruguay, Mexico, Chile, Peru, Guatemala, Ecuador and Bolivia, as well as the United States, Spain and Switzerland.
It was the "Oregon Train" that brought settlers to the Willamette Valley, sine although there were other smaller trails in the region, this was the most traveled by those wanting to start new lives and businesses in the region.
<span>May 31, 2016 - The latest spending figures confirm an ongoing trend: Americans are buying big ticket items like refrigerators, roofs, cars and televisions.</span><span>
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C because people think it would turn garden into no more greenery