What were the purposes of the earthworks built by cultures of eastern north america? select three .
a. as burial mounds
b. as temple platforms
c. as astronomical observatories
d. as defensive structures
e. as fields for athletic competition

Answer

Explanation

Earthworks is the process of soil disturbance in any means which includes excavation, digging tunnels and the construction/reconstruction of any track, embankment, or drainage channel. In eastern North America cultures were built by earthworks for the purposes of burial mounds which were used as graves , temple platforms where different groups of people went for worship, they were also built by earth-workers and defensive structures. These allowed people to be able to defend themselves whenever war broke.

patriotism is when people have love and devotion for their country.

explanation:

a) the colonists began to see themselves as different from people in britain.