 This was reminiscent of the friendly relations established by Scipio Africanus during the Second Punic War.Gracchus imposed the vicensima, the requisition of 5% of the grain harvest, a form of tax which was more efficient and less vulnerable to abuse than the usual Roman practice of delegating tax collection to private ‘tax farmers.’ Silva notes this is the first reference to a regulatory collection of revenue.His treaties stipulated that the allies were to provide the Romans with auxiliary troops.