The revolutionary war was fought for independence from Britain.
the war of 1812 was fought because Britain didn't like us being free, so they stole our sailors.
The Mexican-American war was fought because the USA was destined to take over North America.
The civil wars was fought over slavery and its economic and political effects.
The Spanish-American war was fought because Spain was not treating its Cuban colonists very well
World War I or the Great War was fought because Austria, which was allied with Prussia and the Ottomans, attacked Serbia, which was allied with Russia which was allied with France which was allied with Britain which was allied with the US.
World War II was an after effect of the Great War. The treaty of Versailles was too harsh for the Germans, so Hitler wanted Germany to return to its place of power in the world (for more information on why the world wars happened, look into 19th century politics and wars in Europe.
The wars during the cold war happened because AMERICANZ hate commies.
The current wars (Iraq, Afghanistan) are over oil and anti-terrorism (although the presidential staff, and only the presidential staff, believed there were nuclear weapons in Iraq)
Herodotus of Halicarnassus.
The ancient name for Iran was Persia; see Persian history.
55,000,000
yes
Memorial Day
The US has fought several wars.
Two kinds of autonomy people have fought for in U.S. history include moral autonomy and political autonomy. This has been the basis for many wars fought on the part of the United States.
Herodotus.
The Seminole Indians and the US.
The Vietnam War
WWII and WWI
If you mean the northern states, they fought in the Civil War. Other than that one time, the US has always been united. Any wars which involved the north, involved the entire US. The US has, of course, fought in two world wars and many other wars.
The US fought three wars to obtain land: 1. Indian Wars (1620-1890) 2. Mexican War (1846-1848) 3. Spanish-American War 1898
The ancient name for Iran was Persia; see Persian history.
Herodotus of Halicarnassus.
55,000,000
Which war? US fought many many wars.