It is a lease violation and you should refer to landlord tenant laws for your state to determine what your options are. Possibly a notice to comply.
In most states it is two people per bedroom, adult or children over the age of 10.
I can't answer specifically for Alabama, but in most states the standard is no more than two adults per bedroom.
Most states have laws that require that a tenant have access to the breakers.
The US Constitution is both a limitation of the rights of the people (by protecting minorities, for example) and of the states.
The average cost for an apartment in Arlington can range from $550 - $800 a month, depending on your area. CityData and ApartmentFinder can also give you more information specific to the area you are looking in.
reserved rights
the constitution !
In the United States she is trespassing. Call the police and ask them to put her out.
Bill of Rights
The U.S. Constitution states the powers of the government and the limits of the people. The Bill of Rights says a citizens rights.
There are a number of people that the states backfired on. A state's rights have the ability to backfire on literally anyone who understands them.
Most states granted voting rights to property owners.