The graph shows mining deaths in the United States during much of the 1900s. A bar graph titled Number of Deaths in U S Mining Industry. The x axis shows Decades, from the 1920's to the 1970's. The y axis shows number of deaths, from 0 to 30,000. 1910's, 25,000; 1920's, 22,500; 1930's, 12,500; 1940's, 11,000; 1950's, 4,800; 1960's, 2,500; 1970's, 1,000. What does the graph demonstrate?

"a shortage of traditional labor created new opportunities in the workplace. a major cause of the internment of japanese americans during world war ii was. racial prejudice. in the early 1940's, the "destroyers-for-military-bases deal" with great britain and the lend-lease act were evidence that the united states."

the answer is a) high entry costs

the viking voyages took place during the middle ages, which was about this time. 500 to 1350. the viking voyages took place during the middle ages, which was about this time.