Answer:
there was an increase in Christianity an increase of power for royals an increase in prestige for popes and Catholic church and the souring of relations between the West and the Byzantine Empire leading, ultimately, to the latter’s destruction
The Roman Empire built its capacity early on by seeking to control the Mediterranean.
Caligula’s grandmother Antonia managed to shield him from these intrigues until Sejunus’ death in 31. The next year, Caligula moved in with the aging Tiberius, who gleefully indulged his great-nephew’s worst habits, commenting that he was “nursing a viper in Rome’s bosom.”
Tiberius adopted Caligula and made him and his cousin Gemellus equal heirs to the empire. When the emperor died in 37, Caligula’s Praetorian ally Marco arranged for Caligula to be proclaimed sole emperor. A year later, Caligula would order both Marco and Gemellus put to death
Answer:
When Austria-Hungary declared war on Serbia, it led to Russia declaring war on Austria-Hungary as well because Russia was in an alliance with Serbia.
Germany which had an alliance with Austria-Hungary via the Triple Alliance then declared war on Russia.
Russia was already in an alliance with Great Britain and France known as the Triple Entente and when Germany declared war on Russia, Great Britain and France declared war on Germany.
Thus began the Great War.