One of the Significant Outcomes of World War I Was

One of the significant outcomes of World War I was the

A) increased nationalism and new states following the demise of three major European empires.
B) creation of the United Nations as an arbiter of future international conflicts.
C) establishment of three new European empires to replace those that collapsed.
D) development of nuclear weapons technology that launched the Cold War.
E) immediate rise of Germany to the status of the dominant European power.