"how did anti-era activists like phyllis schlafly convince some american women that unequal rights were actually beneficial to women

Because they were anti-feminists and believed that feminism made women unhappy. This type of conservative argument has made many women agree with this and even today there are anti-feminists who view feminism in the wrong way, but who still use feminist conquests as if it were not a feminist achievement.

it is a part of john locke's natural rights popular during the age of enlightenment that people had inalienable rights to life, liberty and property. this was reflected by thomas jefferson in his declaration of independence as rights to life,liberty and the pursuit of happiness.

another line in the declaration of independence is that people have certain rights just because they are human. humans are capable of obeying the three natural rights john locke mentioned making them governable by these laws and therefore entitled to these rights as well.

answer; analytical,creative and practical;