Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request.

### Instruction:
Create an interactive quiz about the given subject.

### Input:
World War II

### Response:
Q1. When did World War II begin? 
A. 1939 
B. 1941 
C. 1945 
D. 1942

Q2. How many countries participated in World War II?
A. 28 
B. 25
C. 32 
D. 22

Q3. What countries declared war on Germany first?
A. France and Britain 
B. US and USSR 
C. Britain and Russia 
D. US and Japan

Q4. How many total fatalities were there during World War II?
A. 60 million 
B. 50 million
C. 45 million 
D. 75 million

Q5. What was the main cause of World War II?
A. German expansionism 
B. Oil disputes 
C. Economic crisis 
D. Religious conflicts