Because he gave them what they wanted. For a definite price but they went on and did it anyway.
Answer:
Explanation:well it says "rule Book"
The French explorer Pedro Vial pioneered the route in 1792 and the Santa Fe Trail<span>was established in 1821 to </span>take<span> advantage of new trade opportunities with Mexico which had just won independence from Spain in the Mexican War of Independence.</span>