Letter C is the correct answer:D
Members of the ku klux Klan attacked African Americans
I believe the answer is A
<span>1. a powerful and centralized government
2. the development of written language
3. simple art that depicts daily life
All the above points can be considered as the major characteristics of a true civilization.
And Organized religion, Job specialization and social class, Architecture and infrastructure are some other features of a true civilization.</span>