Why did Hitler take Austrias Munich Agreement?

He pretty much HAD to.

Hitler came to power and promised to make Germany great again. The 'Third Reich' refers indirectly to the two great periods in German history before it, the Holy Roman Empire, and the period that ended with the loss of WW1. He promised economic revival, and to restore Germany as one of the great powers.

Germany did experience a statistical economic revival. I say 'statistical' because Hitler did alot of cheating to achieve it. He manipulated statistics, printed money, issued bonds he never intended to repay (and if you complained about it, you knew where they'd send you), he made Jews into slaves, effectively taking them off the unemployment calculations and on and on.

He also started HUGE government spending programs that he couldn't pay for...unless he took Jewish property illegally, and when that wasn't enough he invaded other countries to take their treasuries and rob THEIR 'undesirables' of their property.

The Nazi economy was basically a pyramid scheme. It needed to constantly be fed new sources of wealth or it would collapse.

But he also needed it to retain popular support. He had sold himself as the guy that was going to be this amazing and strong leader. He wore military outfits. This was who he was and needed to be.

And that brings us to the last reason, and possibly the most critical for Hitler. It's who he was. Hitler had a very particular worldview. One where all races and creeds are in a constant and bloody struggle for supremacy. To him, his warmongering was just acknowledging reality. It's what needed to be done to look out for the Aryan race...ironically of which he was not a member...not really. But it's who he felt he was.