Why did the stock prices drop so quickly in 1929

The third one

Explanation:

There was much speculative buying on the stock market in "the Roaring '20s," as the decade was known. ... This inflated the market in a way that spiraled out of control, and in 1929 the market crashed.

first paragraph (and busy all the night ,with a silence deep and white )

explanation:

these are the geographical features of the gupta empire.

1)it inherited the land owned by the mauryan empire.

2)one obvious difference between the two empires is that the gupta empire was smaller that the mauryan.

3)the gupta empire is located in the northern region of the subcontinent underneath the himalayan and hindu kush mountains.

the gupta empire, marked by extensive inventions and discoveries that contributed to hindu culture, in subjects such as science, technology, engineering, art, dialectic, literature, logic, mathematics, astronomy, religion, and philosophy.

this period was also known as the golden age of india