The answer is Caste system (A)
Answer: The McCollum memo, also known as the Eight Action Memo, was a memorandum, dated October 7, 1940, sent by Lieutenant Commander Arthur H. McCollum, who "provided the president with intelligence reports on... every intercepted and decoded Japanese military and diplomatic report destined for the White House" in his capacity as director of the Office of Naval Intelligence's Far East Asia section.
Explanation:
In managerial accounting and cost accounting, production costs are the direct materials, direct labor, and manufacturing overhead used to manufacture products. The production costs are also referred to as manufacturing costs, product costs, a manufacturer's inventoriable costs, or the costs occurring in the factory.
Awnser and Explanation:
The telegram was considered perhaps Britain's greatest intelligence coup of World War I and, coupled with American outrage over Germany's resumption of unrestricted submarine warfare, was the tipping point persuading the U.S. to join the war.