It was their neutrality. They were still in the process of building a country. Setting up laws and meeting the needs of the people were their primary concerns. As much as possible, they avoided conflict as much as they could.
<span>Marxist lived in a world where most employees were unskilled factory workers, today that is not the case for the most part. Since the supply large, the factory owners didn't have to treat them particularly well, so Marxist predicted that they'd have the incentive to revolt and the numbers to succeed.Now, in the developed economies, most workers have significant education and skills and knowledge have been getting more important, not less.</span>
This would mainly come from the medical information that we now have. Back then, smoking (for example) was normal and definitely not considered unhealthy. Now we know that smoking is terrible for you.
Along with that, we're closer to solver cancer than ever, there is more help for suicidal people, and technology is advancing so quickly to help us solve medical issues.
I would definitely say that the main factors for this increase are our newfound knowledge and technology helping us along the way.
In the early years of the Pacific war, thousands of American soldiers were forced into Japanese military prisons during Bataan Death March.