Sarna, an orthodox jew, marries nathan, a reform jew. sarna is disowned by her parents because, as far as they are concerned, she has married outside their religion. she has violated the rule of:

endogamy

Explanation:

Endogamy -

It is the method by which the people get married within the similar social groups based on caste  is known as endogamy .

This type of practice is very commonly seen in many cultures and religious groups , where people tends to get married within their community , religion and caste .

Since , Sarna married Nathan who is from a different religion , and hence , she has violated the rule of endogamy .

by using  production possibilities graph.  opportunity costs are key expenses in financial matters and are utilized as a part of registering money saving advantage investigation of a venture. such expenses, be that as it may, are not recorded in the record books but rather are perceived in basic leadership by processing the money costs and their subsequent benefit or misfortune.

mali had been a state inside of the ghanaian empire. after ghana fell because of invading forces and internal disputes, mali rose to greatness under the leadership of a legendary king named sundiata, the "lion king." the songhai empire, already weakened by internal political struggles, went into decline.