50 states are in the united states.
In the given context Anderson used participation observation research method.
Option: C
Explanation:
In a properly designed research methods several steps are included like peer group research, interactive research, secondary analysis, interview method, participation observation and field survey method. In peer group research researcher divide the whole population in a convenient number of group then carry forward the research.
In participation observation method researcher go to observe a thing, test it, and draw the final conclusion about it and for that purpose if he wish he can take other participant's help also. In field survey technique sampling method is followed.
Answer: threatening; illegal; incapable; suing
Explanation: Duress simply means coercing, pressuring or forcing an individual to perform an unwilling action.
Therefore, To establish duress, there must be proof of a threat to do something that the threatening party has no right to do, Generally the threatening act must be wrongful or illegal and must render the threatened person incapable of exercising free will. A threat to do something legal such as suing someone ordinarily is not Duress.