B) The author uses specific data, reasons, and quotations to support her argument effectively, but the excerpt would be stronger if she included eyewitness testimony or personal stories.
Explanation:
She talks about how social media turns out and how Commentators, comparing these activists to the US peace protesters of 1968, praised the effort as a democratic dawn for an area that had long been populated by autocracies. She didn´t include eyewitness testimony or personal stories.
(B) The author uses specific data, reasons, and quotations to support her argument effectively, but the excerpt would be stronger if she included eyewitness testimony or personal stories.
President Kennedy justified space travel in the face of all hazards involved by seeing<span> it as a challenge worth taking, as it will promote peaceful cooperation amongst nations. </span>
