It depends on how specific you want to be, but he was declared kaiser in 1871; more specifically, January 18th, 1871.
In marked new opportunities for Europeans, and opened up new forms of trade. Europeans left Europe and went over to explore and start new lives in the americas.
D is the answer i believe
The Zhou Dynasty.
Does this answer your question?
~Korey :)
Yes, it is true that linguists do not know for certain how language was developed by early humans, but they're able to determine that it started somewhere in Africa, due to human migration patterns.