deal with something to take action to do something, especially to solve a problem
deal with something to accept and control a difficult emotional situation so that you can start to live a normal life again despite it
deal with vb (tr, adverb) 1. to take action on: to deal with each problem in turn. 2. to punish: the headmaster will deal with the culprit. 3. to be concerned with: the book deals with Dutch art. 4. to conduct oneself (towards others), esp with regard to fairness: he can be relied on to deal fairly with everyone. 5. (Commerce) to do business with: the firm deals with many overseas suppliers.
Trump will need to deal with the Democrats and that’s not a bad thing..
And to think it wasn’t that long ago that GOP politicians who bragged about working and making deals with Democrats were ridiculed here....lol