Civil War was caused by sectionalism.
Obsessive compulsive disorder
By definition it is an anxiety disorder in which time people have recurring, unwanted thoughts, ideas, or sensations that make them feel driven to do something repetitively
Explanation:
It is rather for us, the living, we here be dedicated to the great task remaining before us – that, from these honored dead we take increased devotion to that cause for which they here, gave the last full measure of devotion – that we here highly resolve these dead shall not have died in vain; that the nation, shall have a new birth of freedom, and that government of the people, by the people, for the people, shall not perish from the earth.
Answer:
The first Persian invasion of Greece, during the Greco-Persian Wars, began in 492 BC, and ended with the decisive Athenian victory at the Battle of Marathon in 490 BC.
The Articles of Confederation was the precursor to the Constitution. It created a loose alliance between the states and a weak central government. There were many issues with it (such as the federal government not having the power to levy taxes and establish a national currency) so it fell apart quickly.
Hope this helps!