It was in the 16th century I think
The rivers flowed to the Byzantine Empire so the Russians were influenced by the Byzantine Empire.
Answer: New technology methods
Explanation: Techonology itself is developing quick from day to day. It is important to try and add new things that can improve it. So developing a specific method that is very well planned and established can advance technology.
Yes, the answer is D) to control all German-speaking nations. Hope this helps anyone out there. :)
B. unsanitary conditions in the meat packing business