Answer: The first civilization that created the concept of zero were the Babylonians but the Babylonians were influenced by Sumerians, the ones who created the first counting system. If anything Americans got a hold of what the counting system was like (the one that contained zero in it) and claimed it as theirs.
Explanation:
Iron tools were used for agriculture. Larger communities pushed into the Ganges river . They used iron tools to cultivate rice.
Answer:
... parts that could be worn
Explanation:
