Two groups are distinguished by the prophet: 1) βall the people round about Judah and Jerusalem.β They will be fearful (will tremble in fear, because Israel [1] will prove too strong and will defeat them in every war they fight against her, a reality that has continued from 1948 until today), and 2) βall the people of the earth.β
Links:
[1] https://www.thebereancall.org/taxonomy/term/51/israel