MEETING WITH REPRESENTATIVES
Answer:
Racism
Explanation:
racism is a type of discrimination against someone's ethnicity, physical features, background or race.
The Germans rounding up the Jews actually wasn't a cause at all, in fact most countries ignored that until almost the end of the war. WW2 started when Hitler invaded the Rhinelands and took over Austria, as well as him building up his army, both of which directly violated the Treaty of Versailles which had ended WW1
