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.
There is not a specific antonym for diaspora, but the opposite of a diaspora would be the regrouping of a community or the coming together of a community. It could also be a renewal of a specific cultural group or ethnicity coming back together in a sort of revival of their culture.
1.Some of the modern-day threats to redwoods include climate change; human land uses not compatible with forest health (such as development and conversion to vineyards); intense fires; people's increasing detachment from nature; illegal marijuana cultivation; and burl poaching.
2.We protect redwoods by purchasing redwood forests and the surrounding lands needed to nurture them. Another way we protect forests is by acquiring conservation easements or agreements, which grant the League the legal right to safeguard the forest from harmful land use practices forever.
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It helped people understand their surroundings to let them know which places were dangerous and which ones wernt