Did Israel Use $300 Billion from US Taxpayers to Purchase the US Government, Lock, Stock, and Barrel?

Did Israel Use $300 Billion from US Taxpayers to Purchase the US Government, Lock, Stock, and Barrel? If the US is a superpower, why does the US pay Israel billions of dollars annually in tribute? https://www.unz.com/pgiraldi/its-past-time-to-be-honest-about-israel/