Why was the foreign policy of harding and also coolidge called isolationist?

Isolationism is a foreign policy chosen when a president (especially Harding and Coolidge) decides to keep other countries' problems at a distance and does not want to get involved. This can be done for two reasons: it can be done because a country does not want to get drawn into a dangerous situation or it can be done because the head executive may believe there is a benefit to not having trade agreements or mutual pacts with another country.

Cherokee  removal, part of the trail of tears, refers to the  forced  relocation between 1836 and 1839 of thecherokee  nation from  their lands ingeorgia, south carolina, north carolina, tennessee, texas, and alabama to the indian territory (present day oklahoma)  in  the thenwestern united states, and the resultant deaths