Answer:
They traveled and traded very long areas
Answer:
The two countries are in a conflict and Russia being a super power has superior weapons hence attacking Ukraine seriously
Answer:
C. European diseases killed many people.
Explanation:
The Natives were not immune to diseases that the outsiders brought in to their country, which led to them dying in large amount of numbers.
Your answer is B. The speech that the computer science expert gave regarding online data mining was filled with information and was also very entertaining.