Although natalie receives somewhat greater rewards from her marriage than does her husband, both are satisfied with the relationship because they each benefit in proportion to what they put into it.
this best illustrates the significance of:

a. equity.
b. deindividuation.
c. social facilitation
d. the mere exposure effect.

a. equity

Explanation:

Equity theory -

The equity theory was given by J. Stacy Adams , back in the 1960's .

The theory of equity focus on the distribution of the resources  , that whether their is equal distribution of resources or not , between the two people , is known as equity theory .

The equity measurement is done by comparing and contrasting the portion of the contributions and the benefits of both the person individually .

The same scenario of equity theory is given in the question .

first of all, it's important to say that the book we shall not be moved, written by joan dash, is about the first strike of women in the united states in the year 1909. the best historical detail to clarify the reader's undertanding is the phrase "general strike". this strike involved women working at a garment factory who decided to protest   long working hours, low wages and brutal conditions. this strike became known as "the new york shirtwaist strike" or "the uprising of the 20,000". the strike mostly involved jewish women who did not speak english or who had a basic knowledge of the english language. finally, the strike went on from november 1909 until february 1910.