Misc: what desert country borders saudi arabia, iraq and the persian gulf?

Questions

In 1966 Luna ---------- , first lunar orbiter.?

In 1968 N. Vietnam agreed to meet US reps to set up preliminary ---------- talks. ?

In 1974 Soyuz ---------- is launched. ?

In 1977 Egyptian Pres Anwar ---------- first meeting with President Jimmy Carter. ?

In 1982 UN Security Council demanded ---------- withdraw from Falkland Islands. ?