The correct answer is letter a. Francisco Madero. He is the r<span>evolutionary leader ran against Díaz in the 1910 Mexican elections. He is an advocate for democracy and social justice. He is also notable as being an instrument in sparking Mexican Revolution. He is the guy who challenged President Porfirio Diaz.</span><span>
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Answer: A
Explanation: Hope this helps
Answer:
What negative impact did it have? Provided flood control, hydroelectric power, conservation, recreational facilities; coal burning caused environmental pollution.