there was a drastic change from 18Th to 20 Th century..
More days in a century than what? You need to compare "days in a century" with something else if you use the comparative word "more."
Steam engine
Joseph Texte has written: 'Jean-Jacques Rousseau and the cosmopolitan spirit in literature; a study of the literary relations between France and England during the eighteenth century' -- subject(s): Comparative Literature, English and French, French and English, Literature, Comparative 'Etudes de litte rature europe enne'
The Boll Weevil.
Henrik Ibsen
crop rotation
The ancient Greeks like Plato and Aristotle developed philosophical analysis. A+ 1900s
The comparative form of much is more. The superlative is most.
Crop rotation
Crop rotation
Prior to the 1990s, it was rubber, minerals, and agricultural products. 21st century, is some agricultural products, and lots of clothing, toys, and collectible items (reproduction militaria souvenirs).
Australia. Agriculture was introduced to Australia by European settlers in the late 18th century, making it one of the last regions where agricultural society developed.