The Spanish monarchs King Ferdinand and Queen Isabella were more effective in

government administrating and centralization than the Italian city-states of Late Medieval

Italy during the Renaissance.

Both Ferdinand and Isabella understood the importance of unity; together they created a foundation of the state and left Spain one of the best administered countries in Europe. Although Ferdinand and Isabella officially unified Spain through their marriage, it was their leadership abilities, economic control, and also their continuous control over the government despite the rebellious aristocracy, that made Spain a world power. Italy on the other hand, was almost the complete opposite. Italy was not a unified nation; it was made up of many different city-states, each having its own type of government. The main problem with this type of system was that there was no unity. The Italian city-states were more susceptible to attacks from invaders. Although this type...