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SAT Multiple Choice Questions - List 68

SAT - Flashcards - Multiple Choice Questions - SHOW ME LIST 68

Definition:

(noun) an undeveloped field of study; a topic inviting research and development; "he worked at the ####### of brain science"

(noun) an international boundary or the area (often fortified) immediately inside the boundary

(noun) a wilderness at the edge of a settled area of a country; "the individualism of the ####### in Andrew Jackson's day"

 

** Please Select the best Word that fits the definition in the left column

FRONTIER
INVIOLABLE
ACQUIESCENCE
OPERATOR
FETE