When one country takes over another that speaks a different language. They would have to change the prominent language used or it may become a mix.
To do what he felt was best in this situation
C let me know if I got it right or not
C. Because
You should avoid words like “etcetera” and “that’s” because they’re informal. “You” simply should not be used unless you’re writing in 2nd person, as you probably learned in elementary school.