How to add a dropdown on a page

[Pres]

How can one add a drop down on a page .I am trying to add a drop down of all the countries in the world .How can i achieve this ?

[Matt]

A 3rd party add-on, as mentioned by Keith S, or building one yourself would be your only option. 

https://marketplace.atlassian.com/search?hosting=cloud&query=dropdown

[Keith Sottung]

https://marketplace.atlassian.com/apps/190/scaffolding-forms-templates?hosting=cloud&tab=overview

[Rich Golebiowski]

An Expand?