Why did shi huangdi tear down the walls of chinese kingdoms?

a. he needed building materials for the great wall.

b. he wanted to ensure the nobles could not defend against him.

c. the walls did not meet his standard specifications.

d. he wanted the walls rebuilt with stronger materials.
pls asap! ill give brainliest : )

it would be  

germany had to pay all damages related to the war.

and i think

germany had to take sole responsibility for the war.

he risk-return relationship. generally, the higher the potential return of an investment, the higher the risk. there is no guarantee that you will actually get a higher return by accepting more risk. diversification enables you to reduce the risk of your portfolio without sacrificing potential returns.

explanation:

southern north america: yucatán peninsula in southern mexico extending into northern guatemala, and northern belize. these moist forests on the yucatán peninsula of south-eastern mexico are characterized by a tropical humid climate with little topographic relief.

explanation:

answer: the x is q

explanation:

took test