In an era when NASA is led by an African American man (Administrator Charles Bolden<span>) and a woman (Deputy Administrator </span>Dava Newman<span>), when </span>recent NASA Center Directors<span> come from a variety of backgrounds, it's easy to overlook the people who paved the way for the agency's current robust and diverse workforce and leadership. Those who speak of NASA's pioneers rarely mention the name Dorothy Vaughan, but as the head of the NACA's segregated West Area Computing Unit, Vaughan was both a respected mathematician and NASA's first African-American manager. I learn this from class and from a book I hope this helps
</span>
The impact of the printing press, astrolabe, and caravel on 16th-century Europe demonstrates the ability of technology to "<span>redefine human understanding of the world"</span>
Well without a description om shooting in the dark. But id assume that the answer is Trench Warfare. Since A- was around since contact with Native Americans and largely popular in North America. B- Only was used and discovered in WW2. And C- was used but was largely frowned upon and condemned by both sides.<span />
Adolf Hitler after singing the Munich agreement.
(APEX)
