Answer:
The Panama Canal The Spanish-American War had shown the need for a shorter water passage between the east coast and the west coast of the United States. After helping Panama gain its independence from Columbia in 1903, the United States purchased a 10 mile wide strip of land through which the Panama Canal was built.
Explanation:
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She was born in Chicago! Specifically, she was born on December 20, 1954.
She had 5 brothers, but was the only girl in the family. She has a Mexican background: her grandfather participated in the Mexican Revolution.
Answer:
Observation
Explanation:
According to the quote, "It is the duty of an astronomer to compose the history of the celestial motions through careful and skillful observation"
An astronomer must first observe before he can do any other thing.