Fill in the blanks with suitable prepositions.
Although the Braille system gained immediate popularity (a) ______ the blind students at the institute in Paris, it had to gain acceptance (b) ______ the sighted (c) ______ its adoption (d) ______ France. This support was necessary because sighted teachers and leaders had ultimate control (e) ______ the propagation of Braille resources. Many of the teachers at the Royal Institute (f) ______ Blind Youth resisted learning Braille's system because they found the tactile method (g) ______ reading difficult to learn. This resistance was symptomatic of the prevalent attitude that the blind population had to adapt (h) ______ the sighted world rather than develop their tools and methods. (i) ______ time, however, with increasing impetus to make social contribution possible (j) ______ all, teachers began to appreciate the usefulness of Braille's system.