S1 문장의 [______]에 들어갈 단어는?

난이도 필수 · 힌트를 덜 열수록 높은 점수 (현재 5점)
Earliest indications of the need for inspiration for fashion direction are possibly evidenced by a number of British manufacturers visiting the United States in around 1825 where they were much inspired by lightweight [______] blend fabrics produced for outerwear.