1) Black inventor who invented a cheaper, safer, and better way of turning sugarcane into sugar.
a. Frederick Jones 
b. Otis Boykin 
c. Madame C. J. Walker 
d. Norbert Rillieux 
e. Joseph Lee 
f. W. Lincoln Hawkins 
g. Lloyd Augustus Hall 
h. Garrett Morgan 
i. David Crosthwait 
j. Elijah McCoy