UnScramble this Word: r y g u b?

Questions

What country's border would an Azerbaijani reach by hiking due south across rhe Talish Mounains?

What did Portuguese explorers christen O Rio Mar, "The River Sea", in the 16th century?

What Edwin Budding invention began changing the face of English landscapes in the 1820's?

What food is the leading source of salmonella poisoning?

What football team has won the most Rose Bowls?