<em>NAACP</em> is USA's oldest civil rights organisation which was formed in 1909.This association led black civil rights struggle in fighting injustices like denial of voting rights,racial violence,discrimination in employment and segregated public facilities.
The NAACP's principal objective is to ensure the political, educational, social and economic equality of minority group citizens of United States and eliminate race prejudice. The NAACP seeks to remove all barriers of racial discrimination through the democratic processes.
The NAACP began to publicize the evils of the Jim Crow laws that sanctioned racial discrimination, and fought for a federal anti-lynching law. In the 1920s and 1930s, the NAACP devoted much of its energy to publicizing the lynching of blacks throughout the United States.
The answer is D superior firepower
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<span>The atmosphere contains a large amount of nitrogen. Some plants take nitrogen straight from the air and use it to build nutrients needed for growth. Atmospheric wind erodes land so it can be broken down to form life-sustaining soil.</span>
The united states expanded during the progressive era by limiting trade with other nations.
<h3>What do you mean by progressive era?</h3>
In US history, the period from the 1890s to 1920 is referred to as the progressive era, an era of intense social and political reforms that aimed at making progress towards a better society.
Federal immigration policies in the Progressive era includes Immigration act limited immigration and excluded all Asian immigrants.
Therefore, B is the correct option.
Learn more about the Progressive era here:
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