In which region would one be most likely to find additional evidence of the earliest human civilizations?   1.asia   2.europe   3.north america 4. south america

The correct answer is number 1) Asia.

The region in which one would be most likely to find additional evidence of the earliest human civilizations is Asia.

Scientists and historians consider that the origin of the civilization was Sumeria. Sumeria is one of the ancients civilizations on Earth and they settled in between the Tigris and Euphrates Rivers, in the Middle East region, in what today is Iraq. The Indus Valley civilization was another ancient civilization as well as the Chinese civilization that settled in close to the Yellow River.

the answer is true sir

i think it was   tsar alexander ii