28. Which of the following was a cause of widespread bank failures during the great depression? A. a lack of branch banking B. departure from the gold standard C. failure of the Fed to act as a lender of last resort D. Both A and C are correct. 29. When considering modern immigration, we see A. more immigrants who lack a high school education; B. more immigrants with advanced degrees C. fewer immigrants who lack a high school education; D. Both A and B. E. Both B and C