en_tn/act/15/02.md

This brought ... into a sharp dispute and debate with them

The abstract nouns "sharp dispute" and "debate" can be stated as verbs and where the men came from can be made explicit. Alternate translation: "... had confronted and debated with the men from Judea" (See: rc://en/ta/man/translate/figs-abstractnouns and rc://en/ta/man/translate/figs-explicit)

go up to Jerusalem

Jerusalem was higher than almost any other place in Israel, so it was normal for Israelites to speak of going up to Jerusalem.

this question

"this issue"