You're answer is Earth Mounds.
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\t\t During prehistoric Indian civilizations, hundreds of workers gathered baskets of dirt to sites that became tall earth mounds.
These earth mounds were used for different purposes, such as burying
the dead with great ceremony or as building sites for important temples.
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The best answer is C. earth mounds. These structures were built by prehistoric Indian civilizations using dirt for various purposes such as burials and religious sites. They reflect the cultural and spiritual significance of the societies that constructed them.
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