According to the wall street journal, the US spent ____ dollars on wars In last 20 years.

Treaty on Open Skies is a program of unarmed aerial surveillance flights over the entire territory of participating countries. It is designed to enhance mutual understanding and confidence as it provides the participants, a direct role in gathering information about military forces. This pact entered into force in January 2002. It has 34 participants currently. On May 21, 2020, President Trump announced that the United States would be withdrawing from the treaty due to alleged Russian violations. On 22 May 2020, the United States submitted a notice of withdrawal from the Treaty on Open Skies. On 22 November 2020, United States official sources—including U.S. Department of State websites, Secretary of State Mike Pompeo, and the National Security Council’s official Twitter account—announced that the six-month period was over and the U.S. was no longer a party to the Treaty.