The Third Amendment to the Constitution would be violated if

The Third Amendment to the United States Constitution prohibits the quartering of soldiers in private homes without the owner's consent during peacetime. This amendment was primarily a response to British practices before and during the American Revolution, where soldiers were often billeted in civilian homes.

Violations of the Third Amendment would occur under the following scenarios:

1. Forced Quartering: If the government orders civilians to house soldiers in their homes without consent during peacetime, it would clearly violate the Third Amendment.

2. Legislation Allowing Quartering: If Congress passed a law that mandated homeowners to provide shelter for military personnel even against their will, this would contravene the protections granted by the Third Amendment.

3. Military Actions in Non-Emergency Situations: If military authorities, during times of peace, attempted to occupy residential properties for any reason, this would also be a violation.

In summary, the core concern of the Third Amendment is about protecting individual privacy and property rights against government intrusion in the form of military presence in homes.