What is a claim/Topic sentence for “Cause and Risk factors for Juvenile delinquency”?

What if puerto rico required all cement to carry a label with the location where it was manufactured and the date it was packaged? does that regulation discriminate against interstate manufacturers?

Dogs make wonderful pets because they keep us happy and healthy, the topic sentence is "dogs make wonderful pets". can someone me write a unrelated sentences to the topic and can be eliminated. need asap

Read the corporate document. all employees of cozy clothes ltd. are entitled to a 40 percent discount on regularly priced merchandise and a 20 percent discount on sale-priced merchandise. to apply this discount to an employee purchase, follow this procedure: 1. enter the purchaser’s employee id number into the cash register when prompted. 2. apply the appropriate discount. 3. apply sales tax. 4. print an additional copy of the sales receipt. initial both copies. 5. add the additional copy to the register drawer to be included with the nightly closeout report. what is the purpose of the numbering in this document? to indicate steps in a process to emphasize supporting ideas to signal the text’s main ideas to show the meaning of policies