I think the author is Niccolo Machiavelli.
The only option that is not generally a reason why historians study societal change would be "<span>d. to estimate how long it would take to build a road system," since this requires a separate type of research. </span>
Answer:
1. China
2. Paper
3. Wealth
4. Silk Road
Explanation:
The Han dynasty is known as a golden age because of the growth in <em><u>China.</u></em>
Many important inventions came from this time period, including <u><em>paper.</em></u>
Royal tombs were filled with images that represented <u><em>wealth</em></u>.
Buddhism spread northward into China along the <u><em>Silk Road</em></u>.
La Revolución Francesa también influyó en la política estadounidense, ya que las facciones pro y antirrevolucionarias buscaron influir en la política nacional y exterior estadounidense. ... Sin embargo, con el cambio revolucionario también vino la inestabilidad política, la violencia y los llamados a un cambio social radical en Francia que asustó a muchos estadounidenses.