John Cabot
Sir Martin Frobisher
John Davis
Henry Hudson
William Baffin
Thomas James
Luke Foxe
William Moor
Francis Smith
Samuel Hearne
James Cook
Sir Alexander Mackenzie
Sir John Ross
Sir William Edward Parry
Sir John Franklin
Sir James Clark Ross
John Rae
Sir Francis Leopold M'Clintock
Roald Amundsen
Answer:
Beginning with the top-most layer (most recent) is necessary so as not to disturb or destroy fragile remains and the only real method. One couldn't start at the bottom and work their way up!
Explanation:
Not very. The Great Plains was the last place to get settled.
This is true. The census determines how many house reps each state will receive and therefore has impact on the size of the electoral college for each state.