I think you made a mistake in your question. The word "veto" would be replaced by the word "vote". I am writing the answer based on the change in the word. It would be absolutely true to say that if the house makes changes, the bill goes back to the original house for a vote. The correct option among the two options in the question is the first option.
Answer: La Primera Guerra Mundial dejó como consecuencia una gran devastación demográfica y social, así como, una fuerte crisis económica. Desaparecieron cuatro imperios que fueron el alemán, el ruso, el austrohúngaro y el otomano, y se formaron nuevos países, lo que modificó la demografía de Europa central.
Explanation:
I never reviewed this in class but I do remember that my teacher said that Rome had a strong army. I know its not B, C, and I don't think its D.
Hopefully this helped you.