What three things did obama do that greatly his presidential campaign? he visited and campaigned in all fifty states. he refused to accept public finance money. he let others do most of the individual campaigning. he opened campaign offices in all fifty states. he accepted all the public finance money. he took private donations via the internet.

The correct answer for the question that is being presented above is this one: "He visited and campaigned in all 50 states. He opened campaign offices in all fifty states. He refused to accept public finance money. The three things did Obama do that greatly helped his presidential campaign includes He visited and campaigned in all 50 states. He opened campaign offices in all fifty states. He refused to accept public finance money.