The correct answer is B) decreased migration of pests and pathogens
Answer:
B.people should follow rules in bible
Explanation:
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China is not in Africa, it is located in eastern Asia.
The main reason was that they were not welcomed in Oregon, and because of this, they settled in the neighbouring Washington instead.
Oregon had a number of exclusion laws, which among others, directly prohibited black people from settling down in the state (one of the laws was written down into the constitution, which was still valid in 1920s).