5t minus t = 4t and 10 minus 4 = 6 so 4t+6
It is the Niagara Movement
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.
Balance of power between the federal and state governments
Hope this helped :)
I'm not quite sure how to answer this question because it is worded horribly
