After the death of alexander the great ( 323 bce), greco-roman artists left the classical simplicity of early greek art and developed works that were more emotionally expressive and sometimes full of exaggerated movement. this period is called:

The Hellenistic period.

Explanation:

The Hellenistic period was the period between the death of Alexander the Great in 323BC and the emergence of the Roman empire. The Hellenistic period brought about the rise of Alexandrian poetry, the Septuagint, new comedy and it also brought about Epicureanism philosophy, Stoicism philosophy and Pyrrhonism philosophy. The Greeks science was also advanced during the Hellenistic period by the works of Euclid and the Archimedes who were mathematicians.

This period brought about works that were emotionally expressive and sometimes full of exaggerated movements.