For stocks to ever reach 2009 levels, you'd need two things: 1) The most massive selloff ever seen by both big money and individuals2) Massive deflationMassive deflation could happen for a short period as long as consumers aren't spending...but with the strength of the dollar still as the reserve currency, it likely won't happen. 

“…if the market crashed, the value of the dollar declines dramatically (as well as other world currencies), what will the government do to secure the dollar?

Make sure it is deemed as a security token (backed by something tangible) and not a utility token (used only as currency in the system).

With too much currency sloshing around, prices skyrocket.

The reason the USA is the USA and the dollar is the standard or currency is because our debt obligations are sacrosanct.  

However, you may not want to use your ownership as a currency. 

We have seen what happens when faith in a currency goes away.

I suspect we will see the potential for future tax hikes in order to regulate the amount of currency in the larger economy exactly to avoid the hyperinflation that has been discussed, as opposed to “funding government activities”.  

In addition gold is known as gods money as it has backed fiat currencies around the world.3.

The fed will continue to manipulate the currency to prevent it.