The populace party and the greenback party are considered to be what type of 3rd party

The answer to this question is Those formed to helped a specific group of people
The populace party was formed by specifically a group of farmers, that often against the interest of large corporations, and the Greenback party was formed by people who are anti-monopoly which became a really popular practice in late 1800s

In financial aspects, a depression is a sustained, long haul downturn in monetary movement in one or more economies. it is a more extreme monetary downturn than a recession, which is a slowdown in financial action through the span of a typical business cycle. a depression is an irregular and extreme type of recession. so depression is always followed by recession but it is not correct to state that a depression always follow a recession.