Answer:
El carnet de identidad que necesito para ir de un país a otro país es el pasaporte.
Step-by-step explanation:
El carnet de identidad que necesito para ir de un país a otro país es el pasaporte. In English this means: the ID I need it in order to go from one country to another is the passport. Some countries also may need a visa in order to let visitors in. In Spanish a visa is also called "visa", it doesn't have a translation. A passport is the only ID which is valid to go abroad although many countries in South America let people from bordering countries travel with just their national ID.