Photographs convey realism and ________________

Saunders purchased a home from Barnes and agreed to assume an existing conventional loan. The lender agreed to the assumption and issued a substitution of liability. Under these circumstances:

A: Saunders is primarily responsible for the loan and Barnes remains liable as a surety; B: Nothing is being accomplished if the loan is secured by a purchase-money deed of trust; C: Barnes is relieved from further duties under the obligation; D: Barnes remains primarily responsible for the loan and Saunders is secondarily liable.

Azerbaijan imported wheat from Romania in exchange for crude oil and Vietnam exchanged rice for Philippine fertilizer and coconuts. Both scenarios are examples of which of the following?

A) convertible trade B) tariffs C) quotas D) protectionism E) countertrade