Assertion: astrakhan | /r/HasProperty | prepared as a starting point
Facets:
value: for persian campaign
type: PURPOSE
Source sentences:
text: Namely Astrakhan was being prepared as a starting point for Persian campaign, a six thousand expedition, under the leadership of Alexander Bekovich-Cherkassky, which had to approach India, conquering gold placer lands nearby Amudarya on their way.