Macedonia.
Ancient Chinese traded with Rome, India, Persia, Egypt?
From Eastern Europe to Egypt and Persia (Iraq, Iran, etc.)
From Libya in the west, through Egypt and the Middle East, to Central Asia and today's Pakistan.
Egypt
Alexander the Great did...
Not at the moment, but it used to be in the past.
The Middle East, including Egypt, the Levant, Iraq, eastern Anatolia, Arabia, and Persia.
In the sentence "Egypt was conquered by Persia, which was conquered by Alexander the Great," the adjective clause "which was conquered by Alexander the Great" is non-essential. It provides additional information about Persia but is not crucial to understanding the main point of the sentence, which is that Egypt was conquered by Persia. Removing the clause would still leave a complete and coherent sentence.
The Persians, by a mile.
One where there was plenty of blood
After king Cambyses II of Persia captured Egypt in 525 BCE.