Answer:
topic for both
Explanation:
We use a topic sentence in the beginning of the paragraph to annouce the topic or the main idea to get a clear idea on what's happening
He divided his studies between music and commercial art, and by 1918 established a reputation as a bandleader and agent. In 1923 he went to New York City and soon became a successful bandleader. In 1927 he secured an important engagement at the Cotton Club in Harlem, a section of New York City, and remained there (aside from occasional tours) until 1932.Ellington's band made its first European trip in 1932. After World War II (1939–45), the band toured Europe regularly, with short trips to South America, the Far East, and Australia. One peak period for the band was from 1939 to 1942, when many critics considered its performances
The Great Depression was the worst economic downturn in the history of the industrialized world, lasting from 1929 to 1939. It began after the stock market crash of October 1929, which sent Wall Street into a panic and wiped out millions of investors.
