What resource led to the rise of Western Europe as one of the world's major economic regions?

The "resource" was knowledge and science. The reason Western Euroupe used to have vast empired was because of it's advanced science and military. It's economy used to (and still is) one of the major economic regions of the world, because of the Industrial Revolution (Originated in Great Britain) and other factors. They created the machinery that provided the base for economic and terratorial expansion. That, and having excellent universities and scientists (Issac Newton, Charles Darwin etc.) are key to keep fueling the economy, and growing to theone of the world's major economic region we know today.

john maynard keynes developed new economic theories in response to the stock market crash of 1929. great depression of the 1930s. first and second world wars. economic boom of the 1950s.

1.the population change is near or at replacement level.

4. the birth and death rates are balanced.

6. sweden is most likely a developed country.