Answer:
The reconstruction helped African Americans because this was the time where they could search for new jobs, because after slavery, new job posts would probably open. During the Reconstruction, the most African Americans were employed during the 1800s-1900s.
The answer to this is A.korea
They got taken over by Germany.
The 1920s were a unique time in the United States in the sense that it was a time of great economic prosperity and also great social woe. What led to this tension was a mix of rising immigration levels and and irresponsible attitude towards money and spending.
The answer is B. I am 100% sure and know this from experience.