Based on the information provided in the monologue, the enlightened ruler described is Joseph II. Here's why:
1. Joseph II was known for being an enlightened ruler who patronized the arts and supported cultural endeavors like opera, which aligns with the statement in the monologue.
2. The mention of mediating between feuding countries also fits Joseph II's efforts to maintain peace and diplomacy in his reign.
3. The Grand Commission initiated by Joseph II aimed at reforming and modernizing various aspects of society, indicating his progressive and enlightened approach to governance.
4. The restriction of the press and religion in the country was indeed a policy implemented by Joseph II as part of his efforts to centralize power and enact reforms, although this aspect of his rule was met with some controversy.
In summary, based on the characteristics and actions described in the monologue, the enlightened ruler being referred to is Joseph II.
