Christiaan huygens he is the one who invented the clock
Timbuktu laid <span>in the intersection of the main trans-Saharan trade routes during the 15th century
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The likely effect of such trail lines that were left by pioneers migrating to the west were that people who moved there afterrwards were able to derive information regarding where it was relatively safe and where territory has been charted and mapped before. This enabled a little certainty in areas of great danger.
Sure what’s the question?
Answer.........
I like turtles...............