for those who are seriously concerned, we will lose our European Allies. Please download the information on the right side of the page. If you think all of Europe combined, much less Germany, France and England, will make up the difference in defence costs if the US were to tell them to go jump off a bridge you are blind or mentally impaired. Probably both.
https://www.nato.int/nato_static_fl2014/assets/pdf/pdf_2018_03/20180315_180315-pr2018-16-en.pdf
https://www.nato.int/nato_static_fl2014/assets/pdf/pdf_2018_03/20180315_180315-pr2018-16-en.pdf