I get the answer anwer is <span>North China Plain</span>
the federalists were the first political party to have a president in office
A letter from a soldier who fought in the Napoleonic Wars is considered a primary source.
Answer:
The Battle of Saratoga showed the French the US was a stable ally and so the French Agreed to join the American cause
Explanation:

Actually Welcome to the Concept of the history.
=> Potatoes and quinoa were among the unique crops; Camelids (llamas and alpacas) and guinea pigs were the unique domesticated animals.
=> The Incan civilization was predominantly agricultural. The Incas had to overcome the adversities of the Andean terrain and weather.