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Rules of war: What are they? Will they matter in Israel-Gaza conflict?

After the Palestinian group Hamas attacked Israel last week, both sides in the conflict have already been accused of violations of the law of warfare – with worries that more may follow with a ground invasion of Gaza by the Israel Defense Forces.

Yet analysts say the Geneva Conventions and other agreements do still have an influence, helping to save civilian lives in practice, affecting how wars are waged, and, importantly, often resulting in legal action to hold violators to account after infractions occur.

Why We Wrote This

Nations have long agreed on humanitarian principles for safeguarding civilian lives in conflict zones. The challenge is to ensure those norms are followed.

U.S. Secretary of State Antony Blinken called this week for a release of hostages by Hamas and for Israel to agree to allow humanitarian aid for civilians in Gaza, from donor nations and multilateral organizations.

Gaza is a densely populated area, but experts say Hamas fighters aren’t entitled to civilian protections.

“I think it’s important to underline that,” says Tom Porteous, deputy program director at Human Rights Watch. But, he says, governments must always abide by a golden rule of international humanitarian law: “Atrocities committed by one side do not justify ignoring the laws of war on the other side.”

The attacks that the Palestinian militant group Hamas waged last week against Israelis, killing more than 1,400 people and abducting an estimated 200 hostages, were breathtakingly cruel violations of the law of warfare.

Israel has retaliated with massive airstrikes into Gaza, where Hamas rules, killing some 2,800 Palestinians, according to Gaza’s Health Ministry. Human rights advocates in turn warn that laws of warfare include not only not deliberately targeting civilians, but also avoiding indiscriminate attacks near them, too.

As the Israel Defense Forces prepares an expected ground invasion of the densely populated urban territory of Gaza – where nearly half the residents are children under the age of 18 – analysts fear more human rights contraventions to come.

Why We Wrote This

Nations have long agreed on humanitarian principles for safeguarding civilian lives in conflict zones. The challenge is to ensure those norms are followed.

More than 1,000 miles to the north, it’s clear that some Russian units invading Ukraine made a practice of summarily executing and raping civilians, and that officials in Moscow – allegedly including President Vladimir Putin – masterminded the deportation of Ukrainian toddlers to Russia.

To state the obvious, it’s clear that the mere existence of the Geneva Conventions and other such widely signed statutes is no guarantee of their success. Yet analysts say these agreements do still have an influence, helping to save civilian lives in practice, affecting how wars are waged, and, importantly, often resulting in legal action to hold violators to account after infractions occur.

In Gaza, applying rules of war is complicated, too, by the somewhat murky status of the conflict. Hamas is not a national army, but Hamas has in effect been governing Gaza and has a large fighting force. To many analysts, the conflict represents a “non-international armed conflict,” such as when a nation’s military engages a nonstate armed group during a civil war. Many of the rules of war would still apply, however, such as key provisions to protect civilians.

Ohad Zwigenberg/AP

The site of a music festival in southern Israel near the border with the Gaza Strip, Oct. 12, 2023. At least 260 Israeli festivalgoers were killed during the attack by Hamas Oct. 7.

What exactly are the Geneva Conventions? 

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