An important route to the Pacific Ocean

Explanation:

The Strait of Magellan is a 350-mile (570 km) channel located at the southern tip of South America, connecting the Atlantic Ocean and the Pacific Ocean. ... Before the opening of the Panama Canal in 1914, the Strait of Magellan was an important route for the steam ships moving between the Atlantic and Pacific Oceans.

Northwest Passage, historical sea passage of the North American continent. It represents centuries of effort to find a route westward from the Atlantic Ocean to the Pacific Ocean through the Arctic Archipelago of what became Canada. The Northwest Passage.

Explanation:

the answer to your question is,

old stone age.

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answer; /// you data to develop general ideas or theories;