The Mughal's adoption and usage of weapons that use gunpower.
Selma to <span>Birmingham affair
JFK was the president who would have desired to end racism in America, having been a victim of racism himself, however who found himself tied by political and party affiliations to do something against racism. he also voted against Eisehower civil rights bill in 1957, but made a turn once he became Democratic nominee.
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It greatly changed the view of the Vietnam War back in America. People already didn't want U.S boots down on Vietnam, but the My Lai massacre made the U.S People really change views and turn on the war. This also affected the government, which then affected how the U.S commanders dictated the war.
#1 is brit milah
#2 is Yom Kippur
