Can you help me with English plz?

LAST YEAR, WE PUT FIVE SURVIVORS OF THE MASSACRE at Marjory Stoneman Douglas High School in Parkland, Fla., on the cover of TIME, with the word ENOUGH emblazoned across the image. Determining the cover is always a team discussion, and in the course of it, some in our newsroom urged that we do not use that word. How... show more LAST YEAR, WE PUT FIVE SURVIVORS OF THE MASSACRE at Marjory Stoneman Douglas High School in Parkland, Fla., on the cover of TIME, with the word ENOUGH emblazoned across the image. Determining the cover is always a team discussion, and in the course of it, some in our newsroom urged that we do not use that word. How to determine what exactly is enough? Wasn't it enough at Columbine? At Virginia Tech? At Fort Hood? Won't it be enough when, sure as night follows day, the next massacre occurs.

1. Why "LAST YEAR ... MASSACRE" is all the capital? I like to know why?
2. What does the word "determine" mean in this case?

Thanks!
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