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?

How did the construction of the erie canal improve transportation in the united states in the 1820s? a. the canal connected the great lakes to the mississippi river. b. the canal connected the great lakes to the ohio river. c. the canal connected the atlantic and pacific oceans. d. the canal connected the great lakes to the atlantic ocean.