Life in the 19th century was vastly different from today. Communication relied on letters and telegraphs, taking days or weeks, unlike our instant messages and video calls. Transportation was primarily by horse-drawn carriages or trains, a far cry from modern cars and airplanes. People often grew their own food, whereas now most buy groceries from supermarkets. According to the text, what is a major difference in communication between the 19th century and today?
A) People wrote more letters in the 21st century.