Question

in 2006, former iraq ruler saddam hussein
regained power after us forces left.
established new, democratic elections.
was executed by the new government.
was pardoned for his crimes and released.

Explanation:

In 2006, Saddam Hussein was found guilty by the Iraqi Special Tribunal and executed by the new Iraqi government. He did not regain power (US forces were still present in significant numbers in 2006 and his regime had been toppled in 2003), he did not establish new democratic elections (that was part of the post - Saddam governance process), and he was not pardoned.

Answer:

was executed by the new government.