Misc: Who wrote the Russian novel 'The Brothers Karamazov'?

Questions

In 1984 Republic of ---------- becomes Burkina Fasso (National Day). ?

In 1984 Republic of Upper Volta becomes ---------- (National Day). ?

In 1990 ---------- community proposes a boycott of Iraq. ?

In 1990 European community proposes a boycott of---------- . ?

In 1996 ---------- Olympic Summer games closes in Atlanta, Georgia. ?