The one that is an indicativ political systems according to Berridge (2015) which is indicative of the worst conditions that were unfavorable for the development and furtherance of diplomacy is option 1. Italian system.
In the 16th and early 17th centuries, bureaucracies scarcely existed. Courtiers initially filled this role, but, by the middle of the 16th century, royal secretaries had taken charge of foreign affairs amid their other duties.
Envoys remained personal emissaries of one ruler to another. Since they were highly trusted and communications were slow, ambassadors enjoyed considerable freedom of action. Their task was complicated by the ongoing religious wars, which generated distrust, narrowed contacts, and jeopardized the reporting that was essential before newspapers were widespread.
Diplomacy comprises spoken or written communication by representatives of states intended to influence events in the international system. Diplomacy is the main instrument of foreign policy which represents the broader goals and strategies that guide a state's interactions with the rest of the world.
Therefore, the correct answer is as given above
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