What measures did Solon take to encourage the development of handicrafts and commerce?

Solon has taken many measures to encourage the development of handicrafts and commerce, such as prohibiting the export of any agricultural and sideline products except olive oil, which can be self-sufficient; Every Athenian citizen must let his son learn a trade; Reward skilled craftsmen to move to Athens and give them citizenship; Reform the monetary system; Determine the principle of freedom of inheritance of private property. Solon's series of legal provisions were carved on wooden boards or slates, embedded in rotatable rectangular frames and made public.