House Minority Leader Nancy Pelosi said she is confident Democrats will win a congressional majority on Tuesday — and that it’s just a matter of by how much.

“I feel confident that we will win,” Pelosi said at a press conference.

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“It’s just a question of what the size of the victory is. When people ask me whether it will be a wave or a tsunami, I just say all those drops of water … These races are really close across the country.”

Pelosi spoke as voters nationwide were going to the polls to close out a contentious midterm season. She could potentially become speaker of House if her party is able to gain a majority. Democrats have a good chance to take the House — but that is less certain for the Senate.

Pelosi previously served as speaker from 2007 to 2011.

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The midterm elections have attracted a notable amount of attention and record political contributions.

Congressional Republicans are hoping to maintain their majority in both chambers, while Democrats are fighting to regain control. President Donald Trump has also been center stage with the midterms a test of his agenda as well.

The midterms overall have drawn a considerable amount of attention, indicative of the political unrest across the country. President Trump’s win of the presidential election in 2016was seen by many as a rebuke of elitist dogma that hurt everyday people. But critics see the midterms as a way to challenge the president and what they see as a racist and hateful agenda.

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The Center for Responsive Politics released a report last week projecting that the current midterm elections will be the most expensive ever, at more than $5.2 billion. Every prior election didn’t even surpass $4.2 billion in spending when adjusted for inflation.

The overall estimated cost would represent a 35 percent increase from 2014.

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Trump has been fully invested in the midterms with the election results potentially putting his agenda at risk.

He’s held dozens of rallies across the country in recent months to stir up support for conservative candidates.

Those efforts ramped up in the final weeks, as the president traveled from one state to another for 11 different rallies.

Democrats have a much better chance in the House because they are defending fewer seats.

RealClearPolitics found on the senatorial map that Republicans have a six-seat advantage when it comes to safe districts, with eight ranked as a toss-up between the two parties.

The House side has Democrats with a nine-seat advantage, with 38 ranked as toss-ups.

See this video for some insight into one portion of a Trump rally on Monday night: