Harding and his immediate successors were rather supporters of laissez-faire economics, they didn´t see a large role for the government in controlling the economy nor the market, he believed in entrepreneurship. He was a Republican. He opposed major engagement by the US in foreign affais, unlike Woodrow Wilson.
"b. An atom is solid material" would be an example of something that is now considered scientifically inaccurate, since we now know that the atom is actually mostly open space.
