Answer:
NATO
Explanation:
NATO is an alliance between most of the Europeans countries and the US to a possible military invasion (in other words from a military invasion from Russia)
Natural: Grand Canyon.
Man made: London bridge
Global warning is when the temperature increases worldwide
Answer:
Czechoslovakia's split into two countries
Explanation:
The Velvet Divorce is a term used for the split of Czechoslovakia into two separate countries. The separation was peaceful, without violence, so it was all negotiated without any problems, with the two newly formed nations remaining in good relations. The reasons for the split were that the two parts of Czechoslovakia had different political aspirations, had different ethnic groups, and they had different opinions as two how they should develop. It is an interesting case among the Slavic nations though, as in most cases there has always been lot of bloodshed, while in this case it was all peaceful and calm.
I think it's either Texas or Cali