The answer is A i believe!! :)
Answer:
it affects us because we really never know who is on the other side of that screen they might just wanna steal your identity or your credit cards that is why some websites don't allow you to exchange your info
Explanation:
In physics, the kinetic energy of an object is the energy that it possesses due to its motion. Our body maintains this kinetic energy unless it's speed changes. Hope this helps.. :)
So I believe that some empires wanted to spread, or expand, their rule on some territories or countries