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History of the American Columbia River Valley

Question 1 of 15

What was the name of the first European explorer to reach the Columbia River Valley?

  1. Lewis and Clark
  2. David Thompson
  3. John Jacob Astor
  4. Alexander Mackenzie

Prize Money

15₹7 Crores
14₹1 Crore
13₹50,00,000
12₹25,00,000
11₹12,50,000
10₹6,40,000
9₹3,20,000
8₹1,60,000
7₹80,000
6₹40,000
5₹20,000
4₹10,000
3₹5,000
2₹2,000
1₹1,000