Conscription is also referred to as drafting in the United States and it refers to the compulsory enlistment of people into the national service.
Therefore, the statement "Conscription into the armed forces is no longer practiced in the United States" simply means "Drafting into the armed forces is no longer practiced in the United States".
Just find two nonfiction texts, after you read them, write down a list of benefits for each text. then just sum it all up in a few sentences and you're done.