Minerals Ltd. contracts to provide several manufacturers with tin. When a cartel of tin-producing countries suddenly embargoes future shipments of tin to Minerals so that it cannot fulfill its contracts, the distributor:

Is excused from the performance of its contracts.

Explanation:

A cartel of tin-producing countries suddenly embargoes future shipments of tin to Minerals so that it cannot fulfill its contracts, the distributor is excused from the performance of its contracts.

In the given case, there is an economic restriction been imposed on a distributor of tin to implement cartel among few tin producing countries, which affect the performance of a contract for the distributor. It does not allow the distributor to fulfill their obligation.

the answer is account d

answer; ///global;