PLZ HELP ME, ASAP!! What is one difference between William Kamkwamba's and Calvin Stanleys story?

The both story states the hope and perseverance is needed in a situation that you feel that there is no solution. The two stories implies the positive outcome that could inspire people in a lower class or has a disability to move forward no matter what happen and never give up on their dreams because ain't no mountain high enough for a person with a hope as high as the sky.

Explanation:

yes

answer; (d) i believe the best answer is ; ///people said that man could not fly, but in 1903, orville and wilbur wright made the first sustained powered flight in a heavier- than-air machine;

i am also pretty sure it is c