The period that started 4000 b.c. is important because it is the period when the earliest civilizations flourished and inventions were made. Earliest known civilization arises in Sumer (4500–4000 B.C.<span>). Earliest recorded </span>date<span> in Egyptian calendar (4241 B.C.). Hope this answers the question. Have a nice day.</span>
<span>Research supports the theory that a shift from automatic processing to controlled processing can reduce stereotyping and prejudice. Automatic thoughts are the thoughts that come into our conscious involuntarily. Controlled processing makes us pay more attention and put effort into our thoughts.</span>
Answer: Protestant Reformation
Explanation: Hope this helps!
Answer: I think it would be B.
I am sorry if I am wrong.