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Answer: c) participant observation.
Explanation:
Participant observation is the qualitative research mechanism through which researchers get involved in the research activity along with the participants for studying and observing.It gives comprehensive understanding to researcher.It is usually carried out in field of sociology and anthropology.
According to the question,John is using participant observation as he is becoming a part of research along with homeless people to keenly observe the process and collect data on basis of that.
Other options are incorrect because secondary data analyzation, comparative research and qualitative technique are not used by investigator to become a part of research along with participants.Thus,the correct option is option(c).
The Three Long term results that occurred due to the Treaty of Versailles would be following:
A) It imposed reparations on Germany and reduced both its land and population.
B) It placed limits on the German military meant to reduce the possibility of further German aggression.
C) It left Germany with sufficient political unity and economic vitality to enable its conquests during the Second World War.
In an act of civil disobedience,the family sent it's tax money to an antiwar organization
