Trump’s most significant accomplishments were that he managed to win the republican primary through blatant appeals to ethno and economic nationalism.
End illegal immigration, punish the trading partners who are exploiting us, less US solidiers in the Middle East. Again, the trifecta. How did he beat 16 actual Republicans at their own game? By getting ahead of them on these issues and being smart enough to spot his real opposition within the crowd.
The tea party / evangelical party that was so worried about debt during the GFC and sweaters during Clinton all of sudden could not give a shit about debt and went all in for the birther/ groper in chief, sure race/ tribalism had nothing to do this.
Seems like a non-sequitur. The evangelicals cared most about SCOTUS and they got their reassurance, plus they hated Hillary Clinton more than any other group. I'm still not really sure what the Tea Party Movement was about, so I can't answer you on that one, but Trump did promise to slash the debt during the campaign.
His second big accomplishment was winnings the presidency because a sig portion of the democratic base stayed home.
Turnout in 2016 was quite high. It turns out that much of the Democratic base flipped sides to vote for Trump all throughout the rustbelt. I computed and compiled some of the state data in one of the betting threads. Trump did well in the South but his performance was comparable to GWB in 2004, plus those electoral votes were already locked down. Trump underperformed in blue states. The only unexpected thing about Trump's performance was he outperformed every Republican since Reagan in PA/WI/MI/OH. For example:
Wisconsin: GHWB -4.5, Dole -10.5, GWB -0.2, GWB -0.4, McCain -14, Romney -7, Trump +1.
Ohio: GHWB -2, Dole -6, GWB +3, GWB +2, McCain -4.5 ,Romney -3, Trump +8.
Trump outperformed Romney by 11% in Ohio, 8% in Wisconsin, 10% in Michigan and 6% in Pennsylvania.
Given his narrow win from a vote perspective it’s easy to pick the factors you like when almost anything could have changed the outcome. The troll vote along could have made the difference.
Given the rustbelt phenomenon I described above, and considering the massive electoral haul that comes with winning the rustbelt, the important question is: why did most of the country vote pretty normally while the rustbelt suddenly shifted so hard in Trump's favor?
@Jack V Savage has implied that race played an important role. I think it had more to do with trade and immigration policies that the voters in those states believed would benefit them.
Look if the point is that Dems need a better answer on trade, that is a viable but not quite the same as what you seem to be saying. Trump certainly does not have a good answer, he is just throwing out bombs as usual. A minor blue dog tap dance does not equal Trump.
Sanders would have beaten Trump. Does that make my view clearer? It's the trifecta (trade/immigration/troop commitments) that those rustbelt swing voters are looking at. Trump has no advantage vis a vis Sanders there. Clinton is very weak there.