Aresult of the boxer rebellion of 1900 in china was that it
a. weakened the chinese imperial government
b. strengthened the chinese imperial government
c. closed the door on trade with china
d. encouraged an open door trade with china

it the big letter b heart my answer

answer: the time zones used to be whatever the local authority wanted them to be. one town might have 6am whenever the sun came up and another town had 6am 10 minutes later.  

the trains had a hard time when their orders said to be at a certain point at 6am.  

6am, but who's 6am.  

the railroads got together and set the time zones more or less along the longitude lines across the country.

explanation: