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Explanation:
Prader-Willi syndrome is a disorder that arises due to absence of parental expressed imprinting genes at chromosome. Many people are not diagnosed and misdiagnosed of this disease. It is a complex genetic condition that affects many organs of the body of the patient. This is the condition where patient may experience unusually fair skin and very light colored hairs.
Germany had an economic incentive to retake the Rhineland, because it is a mineral rich area. Your answer would be the third option. (c) Hope I helped out.
