The president doesn't like the idea of a national health care plan, but she supports the plan because most citizens prefer it. Wich constitutional principle does this scenario best illustrate

The Atlantic slave trade happened then because it was popular and everyone was doing it and there was no way to stop it. Even "biologists" of the time spread the idea that African-americans were not like white people and could therefore be enslaved. People also needed workers for colonies and for exploitation so they bought slaves by the thousands.