Gather all materials, conduct a control trial and get data from that, recording as you go, and then you are able to start.
Answer:
metals and minerals
Explanation:
The Canadian shield was the name of a region that is located in North-Eastern part of Canada. The water and soil quality in this region is generally unsuited for agriculture, but this area possess large quantity of metals and minerals
This made Canadian Shield became the major producer for mining related companies. (Especially producers of coppers, Gold, Nickels, Zinc, and Diamond.) This region alone accounted for more than 20% of Canadian's economy.
Yes it is the oldest in U. S. history in 1778
Poor understandings of geography, lack of wealth, lack of spices, and no way to know where other places were