During the Qin Dynasty, the great wall was built to fortify the northern border to

not to sure thinking it would be a hope this

small european communities with shared traditions consolidated into large new states (apex)

southern north america: yucatán peninsula in southern mexico extending into northern guatemala, and northern belize. these moist forests on the yucatán peninsula of south-eastern mexico are characterized by a tropical humid climate with little topographic relief.

explanation:

answer; (c) slaves brought to the americans from africa;