D. Obtain a higher education and become politically active. <span />
Answer:
her work on the development of the satellite geodesy models that were eventually incorporated into the Global Positioning System (GPS).
Explanation:
Answer: China, Rome, India, Persia, Egypt
Explanation: All of these countries were frequent users of the silk road to partake in trade of goods and horses, as well as conquering purposes in the case of China especially.
Amendment one : Freedom of speech.
Hope this helped ;)
