Answer: Fundemental attribution errors, The actor-observer bias, and the self-serving bias.
Explanation:
USAR (Urban Search And Rescue) is an organization who is dedicated to the location, extraction from dangerous sites and subsequent stabilization of people who have been in the site of a building collapse.
This organization helped victims during the Oklahoma City bombing of 1995 and also made great efforts during the terrorist attacks of September 11th, 2001. Among these efforts were bringing relatives of the victims of the Oklahoma City bombing to New York City in order to provide grief counseling after the terrorist attacks of 09/11/2011.
The Huns were<em> nomads</em> who lived in Central Asia, Caucasus and Eastern Europe,<em> they contributed to the fall of the Western Roman Empire because they started the</em> Mass Migration.
The mass migration was a main factor on the Western Roman Empire because<em> it weakened the Roman Empire's cultural, economic and military development</em>, leaving them exposed for other countries to attack.
The Hun invasion<u> </u><u>caused a massive migration</u>, they moved <em>The Goths</em> from their homes causing <em><u>the Goth invasion of the Roman Empire</u></em>. This is known as the <em>Domino Effect</em> in the fall of the Western Roman Empire.