Answer:
The limits that artifacts on American civilizations pre-1600 have as historical sources are that the artifacts found in different locations cannot definitely establish a conclusion about the location of the Native American tribes or the type of society they lived in.
hope this helps!
Explanation:
The answer is religious ideas because the Mandate of Heaven is essentially that of there being a Chinese emperor ruling by divine right.
I believe this is a version of Gutenberg’s Printing Press.