Answer:
Many people migrated West, disrupting wildlife and natives. They moved west for opportunities and land.
The threat of nuclear war. If a nuclear war started both countries would be wiped off of the map in a matter of hours. This is why the US and Russia haven't attacked each other. If they do it could result in mass extinction.
No, because lately we have been portraying love as a feeling when it isn't. Love is a complex thing but to simplify it's hard work.
Barbed wire limited the open range which limited the freedom of ranchers and cowboys. It also kept the cattle from breaking through. This also caused a lot of dispute between ranchers because before the barbed wire it was open range and with the invention of barbed wire they felt there cattle was cut off from necessities. Hope this helps:)
At any moment if the president is impeached or dies the Vice President will be the next in line.
