Independence is a condition of a nation, country, or state in which its residents and population, or some portion thereof, exercise self-government, and usually sovereignty, over the territory. The opposite of independence is the status of a dependent territory.
Depending on the state. If it's a four year federal sentence you will have to do 85% ,or they takeoff 54 days a year for good behavior. Most states abdopted the NERA Act for federal funding (No Early Release Act). Meaning if you're incarcerated for a violent crime you will be required to do 85% of your sentence.
25 years to life depending on the severity of the crime you can be out for good behaviour in 12 years. or if it's a haenous crime they'll make you serve at least 20. and then it depends if you even have the chance of parole. if the judge rules with out the chance of parole you must serve a minimum of 25 year befor eyou can be paroled.