Europeans wanted exploration in the 15th and 16th centuries for the belief that there was emense wealth in undiscovered countries. For example, king Ferdinand and queen Isabella of Spain sent Christopher Columbus on an exploration to find gold or other precious metals. When he landed in America, he didn't find gold but he knew he'd be punished for returning empty handed so came up with the idea to enslave indigineous people as an alternative form of wealth
A guild provided security for the merchants
It is assumed that the Slavs or the Slavic People originally originated in Central Asia and settled west-wards later on.
Western Russia was a place with large fields of lands, open spaces, natural resources and plenty of water in the form of the Volga, the Ural River and many others.
These early nomadic people settled in Western Russian due to abundant natural resources.