Bernie Sanders appealed to a crowd of supporters on Tuesday in New Hampshire for residents to come out in large numbers to vote for him.

The Iowa race Monday was so close the Democratic Party didn't announce a winner until Tuesday afternoon.

"We did extraordinarily well in Iowa," Sanders said from New Hampshire on Tuesday. "We took on the most powerful political organization in the country."

Sanders noted to the crowd that the New Hampshire primary would not be easy because of Hillary Clinton's "establishment support."

The crowd was very active throughout his speech — getting up and cheering and waving signs constantly, and booing when he talked about Wall Street, Super PACS, and other institutions they don't like.

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