Final answer:
KFC added smoked chicken, yogurt, and fish and chips to their Japanese menu to cater to local preferences.
Step-by-step explanation:
In response to the question about which food items were added to KFC's Japanese menu to cater to local preferences, KFC Japan has introduced unique items such as smoked chicken to appeal to Japanese tastes. While options like yogurt, fish and chips, and pizza are familiar around the world, they are not specifically tailored items by KFC in Japan. Instead, KFC Japan has innovatively included local flavors and cooking styles in its offerings, such as smoked chicken that caters to the local palate.