the Italian city-state of Mantua was ruled by a marquis.
Explanation:
On the occasion of his visit to Mantua, Emperor Sigismund made Marquis Gianfrancesco Gonzaga (1433) an extendable title to his heirs, not before and as usual, having given the new Marquis a large sum of money. This alliance was reinforced by the marriage of the Ludovico heir with a niece of the emperor, Barbara de Brandenburg.
Land records help in administration. It helps in calculating revenue. Land is an important source of the government. It is basis for all activities thus, the importance of land is indispensable.
