Take up means to use or put into practice in the context of the dialogue
Answer: dancing
Explanation: because they are doing it right now, not in the past
I can’t tell where your third stanza is due to how you typed it. You didn’t make it visible enough to tell.
3. The Crimean War.
Explaination:
The Charge of the Light Brigade was a failed military action involving the British light cavalry led by Lord Cardigan against Russian forces during the Battle of Balaclava on 25 October 1854 in the Crimean War.