Which phrase best completes the diagram? Achievements of Postclassical China Created sophisticated art and calligraphy Experienced huge population growth ? un A. Shut down the Silk Road B. Developed movable type C. Adopted Japanese writing D. Conquered parts of Africa​

B

Explanation:

it's only one that makes sense

answer; /// the correct answer is evidence of the olmec civilization has been found in southern american in a hot steamy forest, archaeologists have found earthen artifacts at several sites that were evidence of the olmec civilization. these   artifacts were mounds,courtyards and pyramids build of stones, also on top of the mounds were many monuments made of stone, some of these stone structures are very large, they weigh as much as 44

other sources of text

explanation:

this can be magazines, news reports, scholarly articles, textbooks, research papers etc.