Why did the American economy begin booming in the 1920s?

The best persuasive essay topics a.are the ones that are popular,that many other people are writing about b.are ones you feel strongly about and that can be backed up by outside sources c.are one you feel strongly about,whether or not there is outside evidence for support

Listening is also important because you spend more time listening than participating in any other communication activity. in fact, you spend more time listening to others than doing almost anything else. typical americans spend more than 80 percent of any average day communicating with other people l. they spend 45 percent of that communication time listening to others. which sentence states the main idea?

How do i correct this sentence correctly?