Misc: In 1848 Mexico sells U.S. Texas, ---------- , New Mexico and Arizona.?

Questions

a necropsy is an autopsy on----------?

a ---------- written to celebrate a wedding is called a epithalamium?

a poem written to celebrate a ---------- is called a epithalamium?

a poem written to celebrate a wedding is called a----------?

a scholar who studies the ---------- de sade is called a sadian not a sadist?