<span>D) whether slavery would spread across the United States
Hope this helps!</span>
C - They had a rivalry during that time
There were several differences that separated the Soviet Union and the US after World War II.
<span>The term superman or superman was developed by
writer Jerry Siegel and artist Joe Shuster in the year 1933. The character was
then sold to Detective Comics, Inc. (known today as DC Comics) in the year
1938. Today, Superman is an icon in the American culture because it helped
create superhero genres and American comic books. </span>