The rapid influx of immigrants from parts of the world other than northern and western Europe affected debates about American national identity by provoking anti immigrant sentiments largely centered around the different appearance of those coming over.
Answer:
Answer: Quá trình phát triển của thế giới diễn ra theo những quy luật gì
Explanation:
Answer:
Nelson Mandela
Explanation:
He was the former President of South Africa.
He was also a social rights activist who became south Africa's black president from 1994 to 1999
Answer:
It is considered as an <em>unanticipated problem.
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Explanation:
An unanticipated problem occurs when an investigation arises in a situation that was not considered in advance by the investigator.
In this investigation, which is a study with drugs, the risks rise, and an unforeseen event arises. Therefore the investigator must modify the informed consent, and the subjects must reaffirm the same to continue in the study.
<em>I hope this information can help you.</em>
