War captives were often sold into slavery. How might this practice have connected Roman military expansion with economic development in the Italian peninsula?

Slaves were used for hard labor and things that normal roman citizens wouldnt have to do. The slaves contributed to the roman economic development in the Italian peninsula by building most of the buildings, digging out the waterways, building bridges, etc.

Explanation:

b or c im pretty sure

if you're talking about (ww2) they went bankrupt and their currency was worth nothing

explanation: