When we respond by saying "Amen," we are essentially stating, "What you have said is indeed true," and thereby we are not only concurring with what was said and expressing our own faith, but also reinforcing the other person's statement and strengthening the other person's faith.
There are things that one can do that will strengthen other people's faith in God, and things that will weaken it.
It is regarded historically as the first case of American Jews successfully challenging federal legislation.
If you seek approval, ask yourself why you want it in the first place.
Embalming seems quite contrary to the Jewish way in burial.