Why does roosevelt use repetition in his request for a declaration of war? to highlight his own credibility to provide alternative courses of action to compare the experiences of countries to emphasize the threat posed by japan

Roosevelt used repetition in his Pearl Harbor Address in order to emphasize the threat posed by Japan. By repeating the words "Last night Japanese forces attacked..." several times, he was trying to intensify and stress the gravity and severity of the threat posed by Japan, so Congress would make the declaration of war and the American people would endorse such declaration.  

the audience knows that nora is intentionally failing to dance correctly, but helmer doesnt

for this case, we must find the number of deaths per day of the year 2015, in automobile accidents, knowing that 32,400 people died.

knowing that the year 2015 had 365 days we have the following division:

where "x" represents the number of deaths per day.

rounding off we have:

approximately, 89 people per day died in 2015

answer:

89 people per day