what were some of the later developments of the roman kings?
The rulers of the Empire thereafter called themselves "Emperors" without going to Rome or soliciting Papal approval, taking the title as soon as they were crowned in Germany or upon the death of a sitting Emperor if they were elected as heir to the throne.
King of the Romans
The title "Romanorum Rex" became functionally obsolete after 1508, when the Pope permitted King Maximilian I to use the title of "Electus Romanorum Imperator" ("elected Emperor of the Romans") after he failed in a good-faith attempt to journey to Rome. At this time Maximilian also took the new title "King of the Germans" or "King in Germany" ("Germaniae rex", "König in Germanien"), but the latter was never used as a primary title.

The rulers of the Empire thereafter called themselves "Emperors" without going to Rome or soliciting Papal approval, taking the title as soon as they were crowned in Germany or upon the death of a sitting Emperor if they were elected as heir to the throne.
which of the following was a significant factor in both the german wars for unification UNANSWERABLE what were the first efforts at this unification? Programs like the Wartburg rally and the Hambach Festival were organized why was a unified state founded? To replace the German Confederation, a loose association of sovereign states, and the highly decentralized Holy Roman Empire. when was the empire that you just mentioned formed? UNANSWERABLE what political structure changes happened during this empire's period? During the 13th century, a general structural change in how land was administered prepared the shift of political power towards the rising bourgeoisie at the expense of the aristocratic feudalism can you mention some of the roman kings? Charles IV and Charles V
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King of the Romans [SEP] Later developments
The title "Romanorum Rex" became functionally obsolete after 1508, when the Pope permitted King Maximilian I to use the title of "Electus Romanorum Imperator" ("elected Emperor of the Romans") after he failed in a good-faith attempt to journey to Rome. At this time Maximilian also took the new title "King of the Germans" or "King in Germany" ("Germaniae rex", "König in Germanien"), but the latter was never used as a primary title. The rulers of the Empire thereafter called themselves "Emperors" without going to Rome or soliciting Papal approval, taking the title as soon as they were crowned in Germany or upon the death of a sitting Emperor if they were elected as heir to the throne.