Walk and if there are trees or brush carry a machete. (foot trail)
Drive on it with a 4wd truck that has a brush guard. (vehicle trail) I believe the word your looking for is Pathfinder. See the related link for a definition.
Before the Spanish discovered chocolate there was none in Europe.
Daniel Boone and a groop of friends cut down trees to make a trail to Texas.
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Trail and error
Santa Fe Trail
Create? None.
We create a trail of information.
none
none
None. The Mormons did not travel west because of a economic depression.
Oregon trail Chisolm trail
1ta
Basically, always. There is no known way to create energy where there was none before (or to increase or decrease the amount of energy).
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None
None.
There is a group of people known as the "trail breakers" and they go out a day before the race and make sure there are markers and flagging on the trail.