* Most African countries: While some African countries like South Africa, Egypt, and Libya are briefly mentioned, the vast majority are not included.
* Most South American countries: The only South American countries featured are Brazil and Argentina.
* Most Central American countries: Only Mexico and Cuba appear in the anime.
* Many Southeast Asian countries: Aside from Vietnam, most Southeast Asian countries are absent.
* Most Oceania countries: Australia and New Zealand are featured, but other countries are not.
* Many smaller European countries: While most major European powers are featured, many smaller countries like Luxembourg, Slovenia, and Latvia are missing.
* Many countries in the Middle East: Only Israel and Saudi Arabia are featured.
It's important to note that while some countries are not directly featured, they might be mentioned in passing or in later seasons of the anime.
Factors Contributing to the Absence of Certain Countries:
* Historical Significance: The anime focuses primarily on World War II history, so countries heavily involved are prioritized.
* Character Design: The anime relies on unique character designs, and some countries may not have distinctive traits that translate well.
* Story Focus: The anime prioritizes the interactions between the main characters, and adding too many countries could make the story unwieldy.