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Bernie Sanders on Tuesday appealed for voters to come out en masse in New Hampshire to help him bag the state's primary following a razor-thin loss to Hillary Clinton in the Iowa caucuses.

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."

Related: What Close Call Means for Sanders and Clinton

Speaking to a fired-up crowd, Sanders acknowledged that the New Hampshire primary was "not going to be an easy race" because he is up against a candidate who ran in the state in 2008, who has what he called "establishment support" there, and where her husband, Bill ran two campaigns.

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"But I believe if we reach out to our friends, our neighbors, our co-workers — if we bring out large numbers of people, we are going to win next Tuesday,” Sanders told the crowd at Claremont Opera House.

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.

When Sanders brought up investment bank Goldman Sachs, which along with other banks played a key role in the mortgage meltdown, a man in the crowd yelled, “Hillary goes there!” Sanders chuckled and moved on.

People also yelled out "Feel the Bern!” and “Bernie! Bernie! Bernie!” throughout his speech. Sanders did not answer any questions, but did insert a little New England Patriots football reference that the crowd enjoyed.

"I know we’re all upset that the New England patriots lost," he said. "Football is a spectator sport unless you’re Tom Brady or those guys. Democracy is not a spectator sport."

Related: Why Clinton's Apparent Iowa Win Feels More Like a Loss

Sanders lost to Clinton by just .3 percentage points — 49.6 percent to 49.9 percent — in Tuesday’s caucuses in Iowa, according to the Iowa Democratic Party. Coin flips helped decide the result. Sanders called result a "virtual tie."

Related: Iowa Entrance Polls Show How Democrats Voted

Clinton said Tuesday that she wasn’t taking anything for granted, and seemed to downplay her chances of winning The Granite State.

She said Sanders, a senator representing Vermont, could benefit from his proximity to the state and called New Hampshire Sanders’ "backyard."

"We're not leaving anything on the ground," Clinton said on MSNBC. "We're moving forward. And I think we'll do well."