Democratic presidential candidate Bernie Sanders Bernie SandersKenosha will be a good bellwether in 2020 Biden's fiscal program: What is the likely market impact? McConnell accuses Democrats of sowing division by 'downplaying progress' on election security MORE on Thursday slammed the GOP’s aggressive foreign policy for repeatedly stranding America in conflicts abroad.

“You can’t keep track of the number of wars they want to get us into,” he said of Republican lawmakers at a rally in Morgantown, W.Va. "They want to go there, they want to go there, they want to go there."

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“Let me tell you — it’s not their children who will go into those wars, it is the children of working class American families,” the Vermont senator added.

“It goes without saying that [the Islamic State in Iraq and Syria] must not only be defeated, ISIS must destroyed. But the United States military should not be sucked into a never-ending perpetual war.”

Sanders said that the Iraq War offers one bloody, costly example of why a hawkish foreign policy does not help voters.

“The most important foreign policy decision in our country’s modern history was the war in Iraq,” he said. "I knew how important that vote was.

“I knew there were kids in my own state and here in West Virginia who would go off to that war and not come back. I not only voted against the war, I lead the opposition.”

Sanders added that the sacrifices military veterans have made should guarantee them the best possible health benefits.

“We have a moral obligation to make sure that every veteran that has served our country gets the healthcare and benefits that they need,” he said.

Sanders on Tuesday upset front-runner Hillary Clinton Hillary Diane Rodham ClintonWhat Senate Republicans have said about election-year Supreme Court vacancies Bipartisan praise pours in after Ginsburg's death Trump carries on with rally, unaware of Ginsburg's death MORE in Indiana’s Democratic presidential primary despite her lead in the polls there. He vowed later that evening that he would ultimately best Clinton for their party’s presidential nomination and then become president in November.

Clinton leads Sanders by nearly 6 percentage points nationwide, according to the latest RealClearPolitics average of polls.

She also has the edge in pledged delegates, boasting 1,683 to Sanders’s 1,362. When including superdelegates, Clinton's lead ballons to 2,205 to 1,401. A candidate needs at least 2,382 necessary to avoid a contested Democratic National Convention in July.

Sanders is hoping to score a win in West Virginia on Tuesday.