Genoa is the European city-state that had trade agreements with China in that time.
Women were not fighting in the First World War - so the first option is false. They also didn't have voting rights till 1920- so we reject the last answer as well.
The correct answer is that they were working in civilian jobs that had typically been held by men -this is what contributed to them being able to fight for political rights later.
They have made it so that works wide wars like WW1 and WW2 most likely won’t happen again because of possible use of WMD’s (weapons of mass destruction). They created peace in WW2 because otherwise many more Japanese civilians would have died, as well as American soldiers. The Japanese leaders weren’t surrendering, and the conflict needed to end. The world is more dangerous now because of the sheer amount of WMD’s that exist. It would only take 40 nukes to put the entire world into a nuclear winter, and the US alone has over 1000.
Answer:
Some escaped through emigration. Those who remained, struggled to obtain life's essentials by smuggling the food, clothing, and medicine necessary to survive.