Complex sentence: Throughout Central America, at least 1,432 people perished due to these effects, with most of the fatalities occurring in El Salvador and Guatemala; another 225 deaths were attributed to the depression in southern Mexico.
Split into simpler sentences: Throughout Central America, at least 1,432 people perished due to these effects, with most of the fatalities occurring in El Salvador and Guatemala. Another 225 deaths were attributed to the depression in southern Mexico.