How did emperor shihuangdi began the construction of the great wall of china ?

i would go with...

Explanation:

1600 CE and continued until 1644 CE when the Great Wall was opened to the invaders. China was again in turmoil at this time as a rebellion had been mounted against the Ming Dynasty. ... As a sign that all of China was now one, the emperor decreed a great wall would be built along the northern border

The siege of the Great Wall began in 1600 CE and lasted until 1644 CE, when the Great Wall was opened to invaders. A uprising against the Ming Dynasty had erupted at this time, and China was in turmoil once more. The emperor ordered the building of a great wall along the northern frontier as a gesture of China's unification.

Explanation:

president franklin roosevelt supported the tva as part of his first new deal measures approved by congress in 1933. this new agency was designed to control floods, produce electric power, and improve the lives of people living in the tennessee valley. the tva accomplished many of these goals despite problems.

representative government

explanation:

american revolution: major events leading to declaration of independence. 1765-1766; tax introduced on legal documents to pay for defense of colonies. 1766: stamp act repealed after merchants protesting due to their goods not being bout and officials being threatened.