we worshipped them because of the glorious gifts they brought, we where amazed by there flying craft, what else could they be but gods they thought, as mankind evolved they left and never returned, why? because nothing they do can change our instinct to fight and kill, to always have more power, just think if you were a peaceful intelligent being would you let mankind share your power and technology, we are savage as a whole species. we would go one planet to the next polluting and destroying.we all kno it