Walker's attorney ascertains that there is a statute as alleged by Driver, that his measurements are correct, that there is a state statute requiring observance of traffic lights, and that Driver's license expired two years prior to the collision"The failure of Driver to have a valid driver's license has which of the following effects?
It would not furnish a basis for liability.
It proves that Driver is an unfit driver in this instance.
It makes Driver absolutely liable for Walker's injury
It makes Driver liable to Walker because Driver is a trespasser on the highway.