The Fifteenth Amendment to the US Constitution guarantees that no citizen will be denied the right to vote based upon their "race, color, or previous position of servitude." The Amendment was ratified on February 3, 1870 and was the third and final Reconstruction Amendment. This amendment was a major amendment in advancing racial equality in the United States in that it guaranteed African Americans the right to vote. However, it would continue to take years before the spirit of this law was fully implemented and continues to be challenged today in the courts.
One of them is that the immigrants basically made no effort to learn English and assimilate with their culture in that region.
This make them fear the possibility that they will form their own army in Pennsylvania region and started to overthrow the government and taking the land as they pleased.
Answer should be D. National Security. because National Security is a concept <span> that the government should protect its citizens</span>
