Please and thank you!

The concept of ensures that wounded soldiers receive treatment based on their severity of their wounds rather than their seniority

*edit* i took the test and i picked a and it was incorrect for its c! rank the following suggestions for preventing std, in order of increasing effectiveness. 1) using latex condoms properly 2) using spermicidal foam or jelly with a monogamous partner 3) abstaining from sexual intercourse and genital contact a. 1, 2, 3c. 2, 1, 3

In a short paragraph, explain how the barriers you described in part a can lead to long term consequences related to risk behaviors and negative health outcomes for young people?