What allowed the united provinces of the Netherlands prosper after gaining their freedom from Spain

After gaining their freedom from Spain, they allowed the following: Migration of Skilled Workers to Netherland, work ethics for Protestants, Cheap energy sources, and Birth and Wealth of Corporate Finance.

Migration of Skilled Workers - if protestant population and unwilling to reconvert, they were given four years to settle their affairs prior leaving the city.

Work Ethics for Protestants - it encouraged thriftiness and education

Cheap Energy Sources - The creation of the wind-powered sawmill empowered the structure of an enormous fleet of ships for worldwide transaction and for military defense of the nation’s economic interest.

Birth and wealth of corporate finance - By tradition, Seafarers and powerful mapmakers able to start in trading with the Far East and as the century wore on, they expanded an increasingly authoritative position in world trade.