What are you asking ?????
Answer:
A few people shared his beleif, but no one ever tested it.
Explanation:
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Because Germany would be close off and isolated from the rest of the world, it would be hard to get there and there would be lack of transportation.
Here you don't actually need to fully solve it to know the answer, because it is multiple choice. Just ignore the fractions and subtract the whole numbers: 8 - 13 = -21. So, the answer will be -21 and then a fraction. Looking at the answer choices, A matches this. So, A is the answer