Paper and printing. Also the compass was a development from the Tang Dynasty as well
Saudi Vision 2030 (Aälägs ru'yah al-su ūdiyah) is a strategic framework to reduce Saudi Arabia's dependence on oil, diversify its economy, and develop public service sectors such as health, education, infrastructure, recreation, and tourism. Key goals include reinforcing economic and investment activities, increasing non-oil international trade, and promoting a softer and more secular image of the Kingdom. It also consists of increasing government spending on the military, as well as manufacturing equipment and ammunition.
no sure
please make me Brainlist
having specialization of labor,record keeping, and complex inst
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