He also destroyed the self-government of burghs and districts, by retaining for himself the right to nominate officers, and by establishing a system of judicial jurisdiction which derived authority from the throne.

Again, he introduced the example of a prince making profit out of the industries of his subjects by monopolies and protective duties.

In this path he was followed by illustrious successors--especially by Sixtus IV.

and Alfonso II.

of Aragon, who enriched themselves by trafficking in the corn and olive-oil of their famished provinces.