(If you're not, I think you have to explain why the expansion of between say, 6k YBP and 1950 was good expansion, and the growth between 1950 and today was bad expansion. Otherwise it looks like you're picking an arbitrary point and saying it was "best")
In any case, no matter what two points of time you choose, you see the role of government in society increase, whether you want to look at government spending as a share of GDP or the compliance costs paid by corporations as a share of the revenue or the percentage of the workforce who specialize in navigating government-constructed regulations.