Scorched Earth policy. The Russians burned whatever they couldn't take with them. In that period, lots of supplies were gained through scavenging and taking from the locals, but with everything destroyed, the French had no supplies bar what was being sent to them, but the further into Russia they got, the longer it took for supplies to catch up.<span />
Historians today consider the period preceding the Renaissance to be the Middle Ages, which effectively began with the fall of Rome in the fifth century and lasted for some eight or nine centuries. ... Following the Renaissance, the world started changing in several significant ways