Japan ( Hiroshima and Nagasaki)
But, I don't how are there more than 1 country recovering from atomic bomb explosion
By working together voluntarily, the railroad companies were able to standardize their timetables in 1883. The correct option among all the options that are given in the question is the second option. The creation of time tables made the railway system more efficient and people could know the exact time at which their goods or the people travelling will reach their destination.
#4 Andrew Jackson attacked and captured Spanish forts, claiming Florida for the U.S. Monroe signed a treaty with the Spanish which gave Florida to the U.S.
