Which two (2) european countries were the first to invest (spend) a lot of time and resources into exploration?

Portugal, Spain,

Explanation:From this measure, the sailor could determine his latitude. ... Once there, they would sail east or west on that latitude until they reached land. Spain and Portugal were among the first European nations to explore because. they were bordered by the Atlantic Ocean and the Mediterranean Sea. and From this measure, the sailor could determine his latitude. ... Once there, they would sail east or west on that latitude until they reached land. Spain and Portugal were among the first European nations to explore because. they were bordered by the Atlantic Ocean and the Mediterranean Sea.

answer; i do believe that the (14th)fourteenth amendment is the correct answer

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