One reason that northerners lost interest in Reconstruction was because "<span>A. Northerners were focused on the political corruption plaguing the nation," since this was during the Progressive Era. </span>
Answer: The answer is C. California, you can also search the part of your question where is says "which state had the most immigrants in 1996?" the answer is online as well.
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(The first one and the third one seem to make the most sense.)
=)