How is the White Man’s Burden a cause for imperialism? What role did it play in later involvement in foreign affairs?

As a poet of imperialism, Kipling exhorts the American reader and listener to take up the enterprise of empire, yet warns about the personal costs faced, endured, and paid in building an empire; nonetheless, American imperialists understood the phrase the white man's burden to justify imperial conquest as a mission

Explanation:

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: