You can exclude all values as shown below when not selecting any state
Workbook attached for your reference.
Hope this helps
US State Comparison forum_v10.2.twbx 679.6 KB
First add horizontal container and then add your both sheets and then add action with exclude all values.
If you add this then US Map will show full sheet, once selected any state in map then 2nd sheet will come in.
US State Comparison forum.twbx 690.8 KB