Answer:
migration; diffusion
Explanation:
With the migration of people from fertile areas, knowledge of agriculture spread by diffusion.
Horizontal-plane Windmills first appeared during the Islamic Golden Age. Whilst early forms of windmills were developed by Hero of Alexandria in the 1st Century AD, horizontal plane windmills were first described by Ahmad Y. al-Hassan in the 10th Century AD. Hope This helps!
This is based on President John F. Kennedy's speech which focuses on a new beginning towards peace. What he wants his listeners to ponder is to struggle against tyranny, disease, war, and poverty. He summons everybody to participate and join in this goal. The answer is the third option.
The construction of the Erie Canal.
<em>"New York’s geographical advantage was supplemented by the construction of the Erie Canal (1817–1825), and with the establishment of the Black Ball Line in 1818. While the Erie Canal connected the Hudson River to the Great Lakes and consequently to the fastest-growing parts of America west of the Appalachian Mountains, the Black Ball Line provided the first-ever regularly scheduled transatlantic passenger service. Both the Canal and the Line helped to solidify New York’s place as America’s center of commercial trade and central transportation hub."</em>
Answer:
the American revelation was an ideological and political revolution
