In the 1930 after a state of emergency was declared in Germany, was Field Marshall Paul von Hindenburg who took control of the government. So, the answer is D).
Richard Nixon did all of the following as president excepted "be impeached", since he didn't allow this to happen by resigning from office. He was the first and only president to do so in US history.
Answer: continental drift
Explanation: go onto Brittanica and search up Pange.