Misc: What one word makes sense when it precedes age, class and east?

Questions

The name of which dog breed is also the name for an animals footprint?

What is the name in a planet's orbit when it is nearest to the sun?

In which modern country is the site of the Battle of Balaklava?

Which chemical element takes its name from a German word for goblin?

Which herb is used to make the garnish 'gremolata'?