en_tn/act/08/04.md

who had been scattered...

"who had been scattered by the great persecution". The cause for the scattering, the persecution, was specified previously. (See: rc://en/ta/man/translate/writing-background)

the city of Samaria

the city of Samaria: It is unclear if the city of Samaria refers to "the city" (ULB) or "a city" (UDB). Suggest translating this as "the city".