Answer:
The answer, experts said, is not a very effective one. The US only has a limited ability to destroy an incoming nuclear intercontinental ballistic missile, a study released last month by the American Physical Society concluded.
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<span>PROTECT THEMSELVES. Feudalism provided an early structure throughout (mainly europe) the world allowing for fealty to be pledged, taxes to be paid, and dominion to be assigned to oligarchy based royalty families. With an upward structure based on taxing, and tithing, and warring factions, feudalism allowed for the medieval empires to exist soundly.</span>