It represents Nora's anger about the inequality between men and women.
OR
Both seem to apply, she is frustrated that she has to depend all on her husband, how her life is in his hands, fitting into the explanation of the dance representing a women frustration in oppression. It also fits the Interpretation of the venomous spider because the crimes and the lies she has held secret might soon have a "venomous" effect in the household.
Constitution of Nepal 2015 is the present governing Constitution of Nepal.
D is the closest to the correct (or all encompassing) reason for the failure of Pickett's Charge at the Battle of Gettysburg.
The Rebel soldiers had to travel across a field that had a variety of fences (think farmland) on it. This meant that there were a number of funnel points where the Union soldiers could direct the fire, creating kill zones.
Additionally, the Rebel artillery was not very good and did not soften the Union lines to enable the Rebel soldiers to break through upon making it across the farm fields.
I believe the answer is: Happier in their marriages
Couples who already lasted until elderly age tend to already experienced a lot of obstacles together, which would naturally increase their appreciation toward one another.
Couples among young adults on the other hand, tend to be in the early stage of romance/exploration and they also still have a lot of time to find new partner and change the dynamic of their relationship;