What factors can lead to the development of mixed economies? what led to the development of u. s. government economic programs in the 1920s and 1930s?

There are a lot of factors than can lead to the development of mixed economies. Most of them have to do with the protection of consumers. With no government influence, producers and make whatever products they want, no matter the safety. As economies develop, the government often take a higher share of total spending. Developed countries, such as in Western Europe, often choose to provide state welfare support, and greater government regulation of business and the environment.

The rise of economics programs in the 1920s and 30s came from the aftermath of the "Great Depression".

it's actually a very difficult task, due to not many people can make 2 million dollars in 2 years. besides that, to the not-so-realistic ideas, you can create a business. it could be practically anything, but make it into a business that isn't that known yet, you get me? also, lets not forget about stock market. that's where all the good stuff happens. use investments at the beginning and begin to raise up your business or whatever you're going to do. as this is a very non-realistic idea, it's still worth the shot!

answer; yield to maturity;