Which Heroku Enterprise feature would an Architect recommend to accomplish this?

A client has a requirement to deploy versions of their app to different regions around the World .

Which Heroku Enterprise feature would an Architect recommend to accomplish this?
A . Using a Heroku StMM Space an app can be deployed to a specific region at the time of app creation.
B . When creating a Heroku Private Space, you can determine the specific geographic location for the space
C . You can changed the region for any app in any runtime by using the Heroku CL
E . Using the Common Runtime, an app will automatically be deployed to multiple regions.

Answer: B

Explanation:

https://devcenter.heroku.eom/artlcles/pnvate-spaces#trustecl-ip-ranges