SAT Question e3f05561: Words In Context answer and explanation

English - Words In Context - Fill In Blank Single Word
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In the 1970s, video cameras became increasingly affordable for ordinary consumers and gave Ulysses Jenkins and other artists capabilities that were previously unavailable except to television broadcasters. Jenkins recognized and took full advantage of this ______ access to powerful technology to create groundbreaking works of video art, such as Mass of Images (1978).
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Difficulty:Easy
Which choice completes the text with the most logical and precise word or phrase?