The text argues that international system theorists have always been hampered by the problem of boundaries. what does this problem entail?

Theirs no image re-ask this question and add the picture

Ithink the answer is c

The period that marks the paleolithic era is between the 250,000 to 10,000 years.

Hi,is this statement true or false?   descendants of the inca and maya use modern techniques rather than keeping their ancient culture alive by making weavings based on traditional weavings.-false the mayans and incas both continue traditional methods as well as modern.