They were hindered by economic development and lack of enforcement, so I'd say 1. Cost, because no one would pay for it.
False
The Rosetta Stone is basically a language translator and helped researchers understand Egyptian hieroglyphics. The Rosetta Stone was written in corresponding hieroglyphics and Greek and since many people knew Greek they could decode the hieroglyphics.
The most famous family associated with the Renaissance is the Italian Medici family, which was based out of Florence.
The Medicis became important patrons of the arts and were very politically active.
The protectionism adds a new kind of tax on the imports called Tariff. With the Tariff, the price of imports is increased, and becomes more expensive than locally produced products. This will protect the domestic economy.
Hope this Helps! :)
