if the president vetoes a bill, what can the congress do to override his veto and turn the bill into law?

can you explain a little further maybe give multiple choice? ?

its d i know cause i've been googling it

your answer would b. the missisipi river

hope i you : )

answer; the f b i. the drug enforcement administration(dea); the bureau of alcohol, tobacco and firearms and explosives; u.s postal inspection service;