Which statement from the speech best supports the generalization made by William Bradford that "all great and honorable actions are accompanied with great difficulties"?
Responses

a. "We have felt the ground shake and the air shattered by the testing of a Saturn C-1 booster rocket…"
b. "Transit satellites are helping our ships at sea to steer a safer course."
c. "We have had our failures, but so have others, even if they do not admit them."
environment."
d. "The growth of our science and education will be enriched by new knowledge of our universe and environment."