One of them is definatley the alphabet. The phonecians developed the first alphabet, but sumerians developed the first known system of writing.<span> '' The Phoenician sea trade '' It helped the alphabet spread.</span>
Bartering and raiding. They never had a merchant system.
The 21st amendment to the united state constitution repealed the 18th emendment to united states contitution.
Answer:
highland,tropical wet and dry, semiarid, subtropic dry, and desert climate zones.
Explanation: