He believed in making a new "perfect aryan race". Jews didn't fit that description, so he decided to kill them. He killed anybody really, but Jews were his main target as he was very anti-Semitic and blamed them for basically all of the worlds problems.
Your answer should be Alaska.
The major challenges to historical research revolve around the problems of sources, knowledge, explanation, objectivity, choice of subject, and the peculiar problems of contemporary history. Sources The problem of sources is a serious challenge to the historian in the task of reconstructing the past.
Answer: Nationalism
Explanation: I looked it up
ABRAHAM LINCOLN'S DEATH PUNCH CARDS, DATES AND TIMES:
month: April
day: the 14th
year: 1865
time of death: after 10 p.m
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