Compare both the positive and negative effects of the decision to drop atomic bombs on Hiroshima and Nagasaki. How did this event change the relationship between science and government, and relations among countries that possess nuclear weapons?

The telegraph, the transatlantic telegraph cable, and the telephone were important to businesses after 1850 because of a. they created a system for developing new inventions. b. they filled a need that other inventions of the day could not. c. they attracted investors and created the stock market. d. they made picture-taking a popular american pastime.