The relative stability you want in the next four year, if it comes, will come at the cost of something even worse after.

If you want not to have Trumps anymore, you need to get rid of the factors that lead to Trump happening, and that's not going to be done calmly given the opposition of the DNC and other established interests.

As a non-american, the best shot you had of establishing long-term stability was Bernie Sanders. The way things are going, the Democrats will continue alienating themselves from more and more of their base and the Republicans will continue ramping up fear and instability.