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.
The choice is yours. Even moderately intense physical activity, such as brisk walking, is beneficial when done regularly. Aim for a total of 40 minutes of moderate to vigorous activity three to four times a week to help lower blood pressure and cholesterol. Being inactive is bad for your health.