Which action is an axample of periodization

Of the following, who would be the least affected by the telegraph? eastern industrialists western businessmen city dwellers native americans

Hee the american public did not truly take in the horror of adolf hitler's regime until years after the existence of concentration camps was first reported in american newspapers. partly this was the fault of the media, which did not give prominent placement to news of the holocaust. what other factors do you think contributed to the long delay in understanding the holocaust?

According to okun's law, if the unemployment rate goes from 2% to 5%, what will be the effect on the gdp?