When the tip disintegrates, it melts and helps solidify the weld to the base material. Arc studs range from a #8 to 1 1â4  diameter. The lengths are variable from 3/8 to 60 (for deformed bars). Arc studs are typically loaded with an aluminum flux ball on the weld end which aids in the welding process.
Quoted from wiki: Inevitable discovery is a doctrine in United States criminal procedure that allows evidence of a defendant's guilt that would otherwise be considered inadmissible under the exclusionary rule to be admitted into evidence in a trial.
The Monroe Doctrine was a US policy that was introduced on December 2, 1823, which stated that efforts by European countries to colonize land or otherwise interfere in the Americas would be viewed by the United States as acts of aggression. This doctrine was put forth by President James Monroe.