UnScramble this Word: p c s d e e a?

Questions

The mad Emperor Caligula once decided to go to war with the Roman God of the sea, Poseidon, and ordered his soldiers to throw their spears into the _____ at random?

The Ecuadorian poet, Jos?

In ______, at only 7 years old, Charles Sauson inherited the post of official executioner?

In parts of _____, the women keep harems of men?

The childrens' nursery rhyme 'Ring-a-Ring-a-Roses' actually refers to the Black Death which killed about ______ people in the fourteenth-century?