I don’t think one can make a very good case For a “Trinitarian” origin. The founders of our nation, for the most part, were rationalist deists. The Trinity as orthodox Christianity would have it, was hardly even present in their thinking.
Meanwhile, the article behind the link I posted just upstream shows how a Christian heresy is rampant in our land today. And it is perpetrated by those who are the most proud and sadly, considered most representative of “Christianity.”