how did the black death impact europeans and allows for the possibility of a renaissance to begin in the italian city-state ?

The impact of the plague reduced the influence of the Catholic Church as diminished, and the culture became more secular. The new social mobility meant that individualism came to be respected. The Black Death unleashed the forces in Italian society that made the Renaissance possible.

Explanation:

the three roles stated in the dialogue develop the siblings' personalities.

lloyd's personality looks like a trademarketer

dana's personality is afraid from lloyd's behavior and the oldest sister is a decided person who tries to solve any conflict

a social contract.

"a social contract is an agreement between citizens and their leader where the citizens give up certain freedoms in exchange for protection. the constitution of the united states is an example of a social contract."