Answer: The Zhou Dynasty was one of the first dynasties that built walls and lasted from 475 BC to 221 BC. The Qin Dynasty was another wall building dynasty, which lasted for about fifteen years from 221 to 206 BC. These dynasties started the formation of The Great Wall of China.
Explanation:
powers not explicitly reserved for the federal government are given to the state's
Who is attributed with coming up with the most influential scientific innovation of the 18th and 19th centuries?
Select one:
<u>a. James Watt
</u>
b. Louis Pasteur
c. Andrew Carnegie
d. Charles Darwin
QUESTION 2
What innovation of this era of great scientific discoveries came about due to an error by a lab assistant?
Select one:
a. carbonized steel
b. steam engine
<u>c. vaccination
</u>
d. nuclear fusion
I think this is a true or false question. The answer is true. In the Battle of Saratoga, American powers vanquished the British Army of General John Burgoyne in September and October 1777 and brought about the French entering the American Revolution in favor of the United States. Doors was the administrator of the American armed force, yet Arnold, his subordinate, was more alluring and is credited with driving an American charge which was definitive in the second fight at Saratoga on Oct. 7, 1777
