How did the spanish prove to be excellent allies in the war? give examples?

Spain's role in the independence of the United States was part of its dispute over colonial supremacy with the Kingdom of Great Britain. Spain declared war on Britain as an ally of France, itself an ally of the American colonies, and provided supplies and munitions to the American forces.

an informal structure in a bureaucracy would be something like so-called "office politics". where there's a formal structure set up for the organization, but then an informal subculture as well that has a way of organizing the bureaucracy further. this can be positive because it sets up an added degree of organization, albeit informal, within the bureaucracy.