Try not to pick on specific instances for the sake of argument. US military power and it's geopolitical position, combined with a bunch of other things made dollar the reserve currency. Fed is printing money yet there is no inflation except asset inflation. Noone can threaten us military, hence we will be for foreseeable future the country people will pour money on.
I had also tried meditation for years and never "groked" it. What ultimately helped me was using "One giant mind" app. It has 15 minute session for everyday. Doing it everyday for a week I didn't feel anything different but one weekend on a whim I decided to meditate using the app for 3 hrs straight and that's when I felt I finally got it.
Like others have said you can take help of teachers or try meditating in a group. Although I do feel because there so many choices available discovering what works for you may require a little bit luck too.
Can you elaborate more on how invasion of Iraq helped in increasing quality of life for an average citizen?