It good to stop every 100 miles or every 2 hours to take a break
42km = 26.098 miles. Hope this helps.
Answer:
The crusades created standardized methods of taxation and increased European trade.
Industrialism had widened the technological gap between Africa and the West and industrialism led for a greater need for a secure and steady supply of raw materials, which Africa had in abundance, and for an increased desire for markets for the abundance of goods supplied.