Christine has just delivered a baby. how would it affect christine socially?
lack of sleep in caring for the baby
better health due to bearing a child
inability to attend parties
a physical transformation

Option C, inability to attend parties

Explanation:

After delivering a baby, Christine must have  undergone a lot of physical transformations such as increase in weight, widened body structure,etc. Along with this, her responsibilities towards he baby also increased due to which she is not getting sufficient sleep and time to relax

However, going to attend a party is a social factor and Christine being  excessive busy in her new life (after delivering a baby) ,might not be going to attend such  parties.

Hence, option C is correct

they had the law tat factories that produces smoke cannot be built near residential buildings.

building of proper sewage system was done to ensure that the waste is carried away from the humans so that they do not get diseases from it.

also they built water systems to provide water in those areas which are drought prone.