>>69928Ranma was travelling in China and that was the standard PLR uniform at the time so it was easy to blend in with and Oolong was a parody of the pig from Animal Farm. They probably changed it to avoid any unwanted political drama like how western media removes the gay and minority scenes for Asian and Middle Eastern releases.
>>69932They liked ancient Chinese culture though which is why it's Goku (Nationalist China) fighting the RRA (Communist China)