What became of the eastern roman empire after the collapse of the western roman empire?
the eastern roman empire fell to foreign invaders too. the eastern roman empire became the byzantine empire. the eastern roman empire dissolved into small kingdoms. the eastern roman empire tried to recapture the west.

The Eastern Roman Empire became the Byzantine Empire.

Further Explanations:

Byzantine was the extension of the Roman Empire in its eastern provinces that subsisted even after the downfall of the “Western Roman Empire”, till it was seized by the Ottoman, Turks in 1453. It was the most dominant empire during its existence.It gave the world many new inventions and classical literature e. Its era can also be termed as the era of the advent of Empire into modernity. The art of Classical antiquity that has a close relation with ancient philosophy and metaphysics writing was developed by the Byzantine. They published the compilation of Archimedes work through their traditional manuscript kept alive by the school of mathematics and engineering

The ship mill based on the principle of hydraulic power was also Byzantine's gift to the world, used until 1800. They developed the concept of hospital and medical care. The theory of Uroscopy was introduced by Byzantium doctor “Galen” which was later adopted by the physicians like who eventually spread it to the whole world. Greek fire which burns even in water was also the invention Byzantine Empire which played a key role in the empire's victory.

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Answer Details:

Grade: High school,

Subject: US History

Chapter: Byzantine Empire

Keywords:

Byzantine, Roman, Empire, Ottoman, philosophy, metaphysics, Archimedes, Uroscopy, Theophilus,Protospatharius,Western Roman Empire

d) a constitutional amendment

b)

it created free trade throughout the colonial territories.