Social Hierachy provides platforms that enable the creation of relationships
It was in the 1960's that the civil liberty was most seriously threatened where the social movements such as 1960 Civil Rights Movement were pushing for their rights and to put an end to discrimination particularly to the African-Americans in the country.
The answer to this question is Surveys
Survey is the data collecting method that easy to be done because it collect informations from wide variety group of people, especialy after the development of internet. Not only that, these type of data usually could target questions that usually private and unable to be told in public.
Answer:
OB . It allowed their culture to breed camels and travel to visit other places.
The purpose was to understand the formation of the Pluto system, the Kuiper belt, and the transformation of the early solar system!
