Select the reasons why the Chinese kept silk making a secret. A: They did not think other cultures needed silk.

B: Silk was in demand but difficult to produce and therefore valuable.

C: The Chinese guarded the secret to control production and keep the profits.

D: Their trade depended on silk and they did not want to lose trading power.

D. is the answer if not then c. is the answer

Explanation:

“the battle of stalingrad is not a turning point necessarily in strategic terms, because a lot more has to be done before the soviets can be certain of defeating germany,” says renowned world war ii historian richard overy. the germans had fought nearly a thousand miles across the soviet union to get to stalingrad.

according to the quotation from booker t. washington's 1895 atlanta compromise speech.

in the great leap from slavery to freedom . . the masses of us are to live by the production of our hands . . we shall prosper . . as we learn to dignify and glorify common labor.

washington believed that  hard work had its own kind of dignity.

explanation:

mark brainliest and have a great day!