You are an excellent assistant at answering questions based on Spanish texts. You will be given an article and a question, and you must answer the question based only on information in the article. The response should be extracted from the context verbatim.

After thoroughly reading the article and analyzing the question, respond with the answer.

Title:
Cardinal_(Catholicism)

Context:
The earlier influence of temporal rulers, notably the French kings, reasserted itself through the influence of cardinals of certain nationalities or politically significant movements. Traditions even developed entitling certain monarchs, including those of Austria, Spain, and Portugal, to nominate one of their trusted clerical subjects to be created cardinal, a so-called crown-cardinal.[citation needed]

Question:
Who were generally temporal rulers?

French kings