The correct answer here is the last option.
The purpose of the Declaration of Independence in general is used to announce the rejection of the British rule, but this excerpt in particular is used to show that the thirteen colonies have every right to rebel against the King as he does not have the best interests of the colonies in mind. So they are completely justified in renouncing his rule.
They faced different expectations. Sons were expected to be strong, while daughters were expected to be intellectuals.
sewing machine : In some way the women working with the machines gained a new skill, and were seen as important for the industry. The sewing machine allowed clothing to become a mass produced item which increased the social acceptance of the sewing machine.
washing machine : they changed the lives of women because they didn't have to hand wash everything anymore it made things more convenient for them.
i hope this helped <3