Thinking back to the 1800s, what significant development made sending Valentine's Day cards, often referred to as 'penny dreadfuls' or 'penny post cards,' affordable and widespread for the average person?
The establishment of the Penny Post
The invention of the telephone
The invention of the printing press
The rise of commercial advertising
2
Beyond just love, what specific emotion or sentiment is traditionally conveyed by giving a single red rose on Valentine's Day, often sparking a deeper conversation about feelings?
Admiration
Purity
Friendship
Passionate love
3
In South Korea, while Valentine's Day is for women to give gifts to men, what unique tradition occurs exactly one month later, on April 14th, specifically for singles?
White Day, where men reciprocate gifts
Yellow Day, for confessing secret crushes
Black Day, where singles gather to eat black noodles
