Which piece of evidence explains
the cause of McKay's decline in
popularity???

Answered one of the main criticisms of Social Disorganization theory concerning structural factors impact on social control within a neighborhood. Biggest contribution was in reformulating social control aspect of neighborhoods into three different types of social control that are affected by structural factors.

Explanation:

pls mark branliest

the answer is option a.

as general terms,  indian territory,  the indian territories, or  indian country  describe an evolving land area set aside by the  united states government  for the relocation of  native americans  who held  aboriginal title  to their land. in general, the tribes ceded land they occupied in exchange for  land grants  in 1803. the concept of an indian territory was an outcome of the 18th- and 19th-century policy of  indian removal. after the  civil war(1861–1865), the policy of the government was one of  assimilation.