Answer: What is the question here? I don't understand.
Explanation:
If you mean polio then <span>it dropped by 6000 in 1962 or the first year when the vaccine was released</span>
Answer:
Rome was able to gain its empire by extending some form of citizenship to many of the people it conquered. Military expansion drove economic development, bringing enslaved people and loot back to Rome.
The answer to this question is 1, 2, and 4.
Hope this helps
