Democratization is the introduction of a democratic system or democratic principles.
20th century. Chicago's manufacturing and retail sectors, fostered by the expansion of railroads throughout the upper Midwest and East, grew rapidly and came to dominate the Midwest and greatly influence the nation's economy. The Chicago Union Stock Yards dominated the packing trade.
The correct answer would be A
Selective process, by Charles Darwin
Answer:
I think its because of their good geographical location
Explanation:
