What we fail to realize at times is that the same freedoms we assume to be expected, people in other parts of the world cannot even imagine.
The global confidence in the US dollar is reducing day by day because of the state of the US economy. The US is at a critical juncture. Their debt levels are out of control, and China is lending to them.
The only reason they can sell these arms is because there are conflicts all over the world and not campaigns for peace; their entire business model is based on more conflicts and less peace.
The Western countries have an economic interest for their involvement in the Middle East and that interest is oil.