The Baseball Stars

... solid gold from the earth's mantle to the plants... even computers, food and bugs. Even their livestock gave brith to the tastiest meat on earth and every single one of their chickens, geese and other fowl laid platinum eggs... (The low-grade ones only laid gold or silver eggs.)

...the water, rivers and seas turned to pure black oil and precious gems of flawless, fiery rubies, emeralds, amethysts and sapphires grew on nearly every blade of golden grass... and when it rained it rained clear mysterious liquid that with one drop could power a car for a month... when it snowed, it snowed silk and when it hailed... diamond chunks the size of softballs came down.

If this happened, how many people from other countries do you think would try to get in illegally then?
People there wont fight over the stuff because it is as ordiary as air... they have too much.