1. Generally refers to the Social Security Act, and titles referred to are titles of that Act. 2. Term for legislation that passed through Congress and was signed by the President or passed over his veto. Also called law or statute.

A natural event outside of any human control, such as an earthquake.*********Accident or event that results from natural causes without human intervention and could not be prevented by foresight such as flood, lightning, earthquake, tornado, or storm.********Acts of naturethe term was once widely used to distinguish between manmade events, such as, fire, collision, and nature’s rampages in wind and flood.
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An accident, an event that is the result of natural cause without any human intervention or agency, that could not have been prevented by reasonable foresight or care, such as floods lighting earthquake or storms.

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Natural occurrences (earthquake, typhoon, etc.) that no amount of human foresight could have avoided. It is a defence against strict liability in tort, e.g. Rylands v. Fletcher. In Nichols v. Marsland (CA 1876) the defendant was not liable when exceptionally violent storms caused his artificial lakes to flood his neighbour’s land, but the defence is of very restricted application.