Answer:
Cultures are externally affected via contact between societies which may also change cultural practices,social shifts etc.War or competition over resources may impact technological development or social dynamics..It effects our values and our society really do influence our cultural practices ...
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The correct answer is an ethical dilemma
Ethical dilemmas arise when it is necessary to make difficult decisions taking into account moral values and whose consequences can impact the lives of others. As challenging as it may seem to decide how to act in the face of these dilemmas, it is a fact that doing the right thing is always the best way to go.
The two last continets were probably north america and south america