Of the following fuels used on a large scale in the last century to supply energy, which began to be utilized most recently?
a. coal
b. crude oil
c. fuelwood
d. nuclear energy

our agriculture industry and our business industry

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!