Using the data in the following tables, Let matrix A represent imports (in billions of dollars) to U.S. from country groupings, and let matrix B represent exports (in billions of dollars) from U.S. to country groupings. Find the total U.S. trade with these groupings by finding A + B. 
Definitions:
Ngo Dinh Diem
The first president of South Vietnam (1955–1963), whose leadership was marked by the controversial policies against Communists and Buddhists, eventually leading to his assassination during the Vietnam War.
Communist
Refers to a political and economic ideology that aims at establishing a classless society where the means of production are owned communally and wealth is distributed according to need.
Military Coup
The sudden overthrow of a government by a part of the military, often displacing the existing authority in favor of another leader or governmental structure.
Assassination
The act of deliberately killing a prominent or significant individual.
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