Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Colchic Rainforests and Wetlands' has mentioned 'Achaemenid Empire' in the following places:
Occurrence Sentence Text Source
Colchis provided slaves as a tribute to the Achaemenid Empire and Colchian slaves are also attested in Ancient Greece.
The influence exerted on Colchis by the vast Achaemenid Empire with its thriving commerce and wide economic and commercial ties with other regions accelerated the socio-economic development of the Colchian land.