because they worked really hard on whatever they were doing.
The Phoenicians improved upon the Sumerian invention by when the Sumerians invented the first writing system (symbols and cuneiform) the Phoenicians invented the alphabet which was easier.
They developed an alphabet to impr0ve on the cuneiform writing system.
The most important invention of the Sumerian's was Irrigation. Irrigation is how the Sumerian's led their water through pipes, etc.
The Phoenicians developed their writing system from the Sumerian writing system in 1400 BCE, so their writing system came after the Sumerian one.
Sumerian inventions improved agriculture through the development of the plow and irrigation systems, which increased crop yields. In addition, advancements in writing and mathematics helped create more organized systems of record-keeping and trade. The wheel was also a significant invention that improved transportation and trade networks.
the cylinder
Trading and invention of an alphabet.
The Phoenicians are credited with the invention of the alphabet used for the English language and other Romance languages.
The conditioner was and improved invention. Someone made it and then another person made it more advanced.
Monarchy: The world's first system of monarchy is also a Sumerian invention.
An alphabet which became the basis for later alphabets.
Lebanese people were Phoenicians so they invented the alphabet.