Why did northern Republican support for Reconstruction diminish in the 1870s? square Many of the Radical Republicans who had established the Reconstruction plan had passed from the scene. Many northerners thought Reconstruction plans didn't go far enough toward promoting equality for freed Blacks , and so they proposed alternative legislation. Many believed that the federal government had freed the slaves, made them citizens and given them the right to vote, so success was now up to Blacks. Many northerners believed that the South should be able to solve its own problems without help from the federal government. cu You must question

The question you've asked is related to the historical period of Reconstruction in the United States after the Civil War, and it does not directly pertain to the image of a quadrilateral. Therefore, I will answer the question based on the historical context provided.Step 1: Understand the context of the question.The question is asking why support for Reconstruction, the period following the Civil War during which the Southern states were reorganized and reintegrated into the Union, diminished among northern Republicans in the 1870s.Step 2: Analyze the reasons provided.- Many of the Radical Republicans who had established the Reconstruction plan had passed from the scene.- Many northerners thought Reconstruction plans didn't go far enough toward promoting equality for freed Blacks, and so they proposed alternative legislation.- Many believed that the federal government had freed the slaves, made them citizens, and given them the right to vote, so success was now up to Blacks.- Many northerners believed that the South should be able to solve its own problems without help from the federal government.Step 3: Extract the final answer.The reasons for the diminishing support for Reconstruction among northern Republicans in the 1870s include:1. The passing of many Radical Republicans who were the driving force behind the original Reconstruction plans.2. A belief among some northerners that the Reconstruction measures did not go far enough in promoting equality and that alternative approaches were needed.3. A sense that the federal government had done its part by abolishing slavery, granting citizenship, and suffrage to freed Blacks, and that it was now the responsibility of Blacks to advance their own success.4. A growing sentiment that the South should be left to handle its own affairs without further intervention from the federal government.Final Answer: The support for Reconstruction diminished among northern Republicans in the 1870s due to the passing of key Radical Republicans, dissatisfaction with the extent of equality measures, a belief that the federal government had done enough, and a desire to let the South resolve its own issues.