A. building a system of aqueducts
Answer:
abor organizer and civil rights activist Cesar Chavez begins hunger strike. ... The strike, which he undertook in opposition to an Arizona law severely restricting farm workers' ability to organize, lasted 24 days and drew national attention to the suffering of itinerant farm workers in the Southwest.
Explanation:
It was very important because it established two things. First is that the Constitution grants to Congress implied powers for implementing the Constitution's express powers, and the second is that state action may not impede valid constitutional exercises of power by the Federal government