Simplify the following text for a Grade 9 native English-speaking person.
Original: Geopolitically and geographically all of Panama â `` including the segment east of the Panama Canal in the isthmus â `` is typically included in North America alone and among the countries of Central America .
Simplified: Geographically all of Panama â `` including the part east of the Panama Canal in the isthmus â `` is usually included in North America alone . and among the countries of Central America .