Yeah, I �m with Georgina, too.
You are wanting to show that the deaths are the result of the collapse. -- So the language of cause and effect is needed --
"as a result", "because", "so", "With", "Consequently"
Many people died as the result of homes and highways collapsing.
Many people died because homes and highways collapsed.
Homes and highways collapsed so many people died.
With the collapse of highways and homes, many people died.
Homes and highways collapsed. Consequently, many people died.