Yes, there have been major conflicts throughout history, such as World War I and II, the Vietnam War, and the Iraq War. These conflicts have had significant impacts on countries and societies around the world.
They funded the war.
At the end of the Vietnam War, Congress refused to support South Vietnam any longer.
No, of course. Vietnamese's cause is just.
Yes, there was a major conflict during William McKinley's presidency: the Spanish-American War in 1898. Key details: • Spanish-American War (April–August 1898) o Fought between the United States and Spain. o Triggered by the explosion of the USS Maine in Havana Harbor and U.S. support for Cuban independence. o If you further information click this
No, it wasn't because nobody won any land.
The goal of the Vietnam War was to stop the spread of communism. As such, the US felt the need to stop the influence of communist North Vietnam, which entailed supporting South Vietnam in any way possible.
Unlikely.
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Mostly stopping charges when there was no time to reload, and in any eyeball-to-eyeball conflicts.
The nation (country) of Vietnam didn't exist during the Vietnam War. Nor was any nation called "Vietnam" fighting the US. There was a country called North Vietnam that defeated the Republic of South Vietnam in 1975. The US was allied to the RVN (Republic of South Vietnam).
No US battleships were sunk during the Viet Nam war.