Just in case you cant think of anything let me help.

The Revolutionary War- The free ourselves from the oppresive rule of the british crown.

The Mexican American War- The American annexation of Texas whose independence the Mexican had never fully accepted made war with Mexico inevitable. When the Mexicans refused to meet with a US envoy sent to negotiate a settlement of outstanding issues, President Polk ordered American forces to maneuver close to the Mexican border in disputed territory. The Mexicans attacked and the war was on.

The War of 1812- Revolution Part II

The Spainsh American War- The long going revolution in Cuba against Spanish rule had long been a source of friction between the United States and Spain. The American people had long supported the goal of the rebels, and Spanish actions against the rebels.

World War I- Basically to bail the French and British out and stop the spread of the Prussian Empire in conjunction with the Ottoman Turks.

World War II- Pearl Harbor and Adolf Hitler.

Korean Conflict- Never an actual war but to preserve democracy on the korean penninsula from communist invasion.

Vietnam- Same as Korea stop or slow the spread of communism.

Grenada- To liberate the island from communist backed rebels and soldiers from Cuba.

Panama- To dispose the corrupt and abusive government of Manuel Noreaga (SP Sorry)

Desert Storm- To liberate the nation of Kuwait from Iraqi invaders.

Bosnia- To help stop the murder of millions of innocents.

OEF/OIF- September 11th and to dispose the murderous regime of Saddam Hussein.

Tim