Which emperor first consolidated the many walls into what became known as the "Long Wall"?

During world war ii, which battle was the first significant us victory in the pacific?

In the postwar era, stocks a. quickly became worthless b. gradually became worthless c. bounced back and forth from worthless to worth a lot and back to worthless d. became worth more and more

Brainliestttme : ) -what have some nations done to protect their national culture? (france, china, and india)