Answer:
Once when preparing for a Spanish test I used repetition to help me study. This technique was useful for me, because when I wrote out vocabulary words and continued to review them until the day of the test it helped me remember the words a lot easier.
Soviet Union was the first country
Atlantic railroad line it was first named Marthasville in honor of the then-governor's daughter, nicknamed Terminus for its rail location, and then changed soon after to Atlanta, the feminine of Atlantic as in the railroad)
Old Faithful geyser in Yellowstone
a is the answer to this question and if I am wrong I am so sorry