Part B In an era of increasing global trade and integration of national and regional economies, why would the United States want
to produce its own oil and not buy from other producers? Answer the question in a brief paragraph.

b.letter b

explanation:

productive most commonly means: achieving or producing a significant amount or result.

explanation:

productive can also mean:

these depend on how the word productive is used. most likely productive will mean   achieving or producing a significant amount or result.

answer; (trauma);

answer; ///approx///5,000 miles;