how can discrimination and violence towards one group cause all groups in a society to be endangered?

Discrimination and violence towards one group causes all groups in a society to be endangered because when one group is being attacked, the hate spreads towards different ethnic groups which puts them in danger.

Clean air provides nitrogen

Was giving by lincoln on march 4, 1865-as lincoln prepared to speak, the civil war was drawing to a close-lincolns address of 703 words was the second shortest inaugural address-lincoln mentions god 14 times-505 of the words were one syllable -he used the word "war" or it's pronoun 9 times