"His vision grew weaker" sounds much better
<span>Rev. Hale. He wants to save their lives.</span>
<span>The speaker will be followed by a slideshow presentation.
A slideshow presentation will follow the keynote speaker.</span>
Option D: It asserts that the signers will uphold the duties of the U. S.
The answers is B, because as you see in the passage it explains various situations about a broad topic and the answer b is the most logical way to answer the question.