Answer:
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.
Answer: to preserve the past
cite: The goal of a command economy is for governments - not private enterprises - to manage country economies. In a command economy (also known as a planned economy), government central planners determine what goods and services will be produced, the amount of goods and services produced, and at what cost to the consumer.
Technology helps in dealing with economic emergencies like food shortage and disasters. Technology is used to study the existing environmental conditions in order for farmers to be guided with the right crops to plant at specific seasons to ensure maximum yields. In terms of disasters, technology is used for disaster risk reduction and management. This is done in order to minimize the effects that disasters have on the resources.