What industry was most affected by the refrigerated railcar? meatpacking textile farming steel-making

Someone pleas asap so what you have to do is for each article you have to find the 1) key ideas an d 2) the key quote that's it. ( attached a link to the fille)

Policies that physically separate a minority group from the dominant group. discrimination cultural pluralism assimilation segregation subjugation genocide stereotype

Your point of view - why is it important to remember the holocaust event in history?