ch 4:
alliances of Spain:
historically, Spain had been a traditional enemy of France. All those wars they fought against each other in 1500s and 1600s.
However, the Borbon dynasty accession to the Spanish throne in 1700 changed that *a bit*. The Borbon kings of Spain were -throughout 1700s- willing to stay on good terms with their kinsmen, the Bourbon kings of France. But, it was basically, 'with kings of France', not particularly 'with the French or France'. Now that France has beheaded its king, exiled its royals, and is a republic, there's afaik nothing to keep the Spanish with the French. The government of Spain could be expected to hate the French 'regicides', and be in alliances against France - and somewhat reverting to the 1500s-1600s attitude, i.e Spain willing to snatch border territories from the French.