How to Use "arena" with Example Sentences

1. So fundamental change is needed in the political arena .
2. But it is the olympics arena that will reinforcetheir public reputation .
3. They want aeg china to design and operate a version of the staples center , our arena in los angeles .
4. But it is now a player in the world arena .
5. But in the commercial arena , chinese influence over kyrgyzstan is massive .