Question: When did puerto become part of the usa?
Answer: 1917
Disambiguated annotations:
qaPairs: question: When did puerto become part of the usa due to the Treaty of Paris of 1898 coming into effect?
answer: April 11, 1899
question: When did puerto become part of the usa due to the Treaty of Paris of 1898 being signed?
answer: 10 December 1898