Do you really think you were the first person to come up with the idea of assassinating a head of state as a means to end a war? It doesn't really work that way.
It wasn't 1M, it was about 1/5 of that. I'm not of course justifying the loss of life, however it behooves us to speak precisely instead of hyperbolically. [1]
> I did hear a rumor that it was all about the oil anyway LoLz.
That rumor makes no sense if you actually dig in. 72% of America's foreign oil imports come from Canada and Mexico. Only about 3% from Iraq. And Iraq was exporting oil before the war, too. [2] 2T was spent in the Middle East. That buys you a heck of a lot of market-rate oil.
[1] https://watson.brown.edu/costsofwar/files/cow/imce/papers/20...
[2] https://www.eia.gov/energyexplained/oil-and-petroleum-produc...