So what would Trump's response be to protests against him that we see today? Well, he said this about the protests in Tiananmen Square:
When the students poured into Tiananmen Square, the Chinese government almost blew it. Then they were vicious, they were horrible, but they put it down with strength. That shows you the power of strength. Our country is right now perceived as weak ... as being spit on by the rest of the world—
[source : Trump's Comment About Chinese Government at Tiananman Square: The 'Strongman' America Needs?, IJR, http://ijr.com/2016/01/513180-trumps-comment-about-chinese-government-at-tianenman-square-shows-hes-strongman-america-needs/, Accessed: 12th November 2016]
That interview with Playboy was in 1990. Twenty six years later, and after the USA bombed the shit out of Yugoslavia, Iraq and Libya, and helped bomb the shit out of Syria, and with military bases all over the world, Trump still thinks the US military is weak.
Trump also said:
In order to bring law and order back into our cities, we need the death penalty and authority given back to the police.