The answer to your question is it was the first ancient Semitic-speaking empire of Mesopotamia.
I believe it would be agriculture which brought them more money thus leading to a stronger economy.
Answer: A body of water is nearby to regulate the temperature and keep it more constant.
Explanation: Air that is in contact with the ocean will be much cooler from energy transfer between water and air, while air that sits above land will heat up much more quickly. Therefore, coastal climates are much more temperate because a body of water is nearby to regulate the temperature and keep it more constant.