What does John F Stevens focus on in 1905 to improve chances of the Panama Canal being successful ?

John Stevens was appointed Chief Engineer of the Panama Canal Project in 1905 based on his accomplishments at the Great Northern Railway. The fearless Maine native had helped expand American rail lines west and thus contributed to the white settlement of the Pacific Northwest.

this statement is true.

forests are public goods, available for everybody. when usage of such a good becomes interesting for consumers and its usage increases, there can be a risk of overexploitation. it is a non rival good therefore, if one person consumes the good it does not reduce the availability for subsequent consumers.

these caracteristics require the establishment of measures in order to prevent the destruction of a commonly owned space, for example, to restrict the amount of people that have access to the same time.