As per the question, the curriculum employed for teaching literacy skills to the students having visual impairments whose first language is not English would be 'none of the given options' as all the given modules are not employed for students with visual impairments.
'Modified language instruction' is illustrated as the modified curriculum for developing 'learning' in below-average students while 'Adapted ESL' aims to develop a curriculum in which every student(of all grades) must be able to learn. 'Bilingual language instruction' uses a teaching model that intends to teach the students two languages(one native language along with a second language. Thus, <u>option D</u>('none of the given') is the correct answer as 'Braille literacy' is the curriculum employed for inculcating literacy to the students with visual impairments.
Roosevelt is telling the American public that maintaining an isolationist policy amidst the war will not protect them. All the freedoms that he listed on his speech would be threatened by the march of the Axis powers and it would be a matter of time when they have to confront this threat.