Which two events happened as a result of the US invasion of Irak?

Saddam and Hassan were executed. This also led to the political instability in Iraq.

Explanation:

The United States of America invaded Iraq in the year 2003. The administration in the United States were told by the president Bush that they were going to invade Iraq.

With this invasion, there was a lot of instability in Iraq in political and economic terms. In the invasion, Saddam and Hassan were also executed. This had even more adverse effects on the country.