In the short term, an escalatory spiral. Each side would intensify its attacks until either: (1) Someone crosses a red line, like cutting the electricity to Ne

In the short term, an escalatory spiral. Each side would intensify its attacks until either: (1) Someone crosses a red line, like cutting the electricity to New York City for days on end, prompting a proportionate response, or economic sanctions, or (2) Diplomacy takes over and countries reach a quick agreement to curtail their activities, like during the Cuban missile crisis.