What invention is most responsible for the increased production of goods during the early development of the united states

a) the cotton gin
b) the telegraph
c) the steam engine
d) the electric light bulb

What are the three criteria necessary to qualify for special education services under the individuals with disabilities education act category of intellectual disabilities? an intellectual functioning of 70 or more on a standardized iq test significant difficulty with tasks of everyday living (adaptive behavior) subaverage intellectual function (2 or more sd below the mean on a standardized iq test) impaired intellectual performance due to a traumatic brain injury deficits in intellectual functioning occur during the developmental period to distinguish id from other disabilities

In exchange for land, a knight agrees to be a sort of sub-vassal to a vassal. this agreement was known as: investiture homage tyranny subinfeudation

What is the largest room in the white house