The best option that illustrates the nativist sentiments of the 1920s would be "(B) The reemergence of the Ku Klux Klan and the passage of the National
<span>Origins Act" since both of these formed primarily in order to intimidate "non-natives" from coming to the US--especially people who were black, Jewish, Catholic, etc. </span>
Hope this helped!! :)))))))))
But in modern times, as we see, Wakanda is a thriving, flourishing civilization with few conflicts with the outside world. So the primary function of challenge day is keeping the peace internally, with making sure the Black Panther is a fit protector now a secondary outcome. And there for it was kept a hidden for a while.
