Which of the following did NOT contribute to the fall of the Soviet Union
A) Soviet spending in Afghanistan
B) Soviet spending after the Cuban missile crisis
C) Soviet spending in Vietnam
D) Soviet spending in the 1980s

I believe C

Explanation:

This is because  the Soviet Union and communist Vietnam actually won Vietnam war and this greatly influenced relations between the Soviet Union and communist Vietnam.

B

Explanation:

The Declaration contained 3 sections: a general statement of natural rights theory and the purpose of government; a list of grievances against the British King; and the declaration of independence from England.