Which countries like to post slogans in English?

(1) Spitting and littering pollute the environment and affect people's health, which is not only a manifestation of their low quality, but also does not meet the requirements of civilization and courtesy.

(2) "ellipsis" (just answer with actual answers)

(3) Politeness reflects our own quality, shows our elegance and shows respect for others. Whether you are polite not only indicates whether a person has moral cultivation, which affects the quality of interpersonal relationship and social atmosphere, but also relates to the dignity of the country and the nation. (3) Some China people's impolite behavior abroad has defiled China, and the overall quality of China people needs to be improved.