Anthropologist edmund leach (1955) observed that, depending on the society, several different kinds of rights are allocated by marriage. according to leach, marriage can but doesn't always

Give either or both spouses rights over the latent and manifest functions of the other

Explanation:

Although question isn't complete, but when you consider the options from a question I saw online.

According to Leach, marriage does not give either or both spouses rights over the latent and manifest functions of the other

answer; (d) one tectonic plate plunges beneath another; (most common,convergent boundaries)

i think it's b or c hope this