How was the 13th amendment not enough to keep a state from passing black codes

When were the first plots of land for the village of seattle laid out? august 1848 april 1851 november 1851 may 1853

In order to maintain national security within its colonies in america, england constructed a series of forts along colonial boundaries for protection. true false

In shifting to a defense policy based upon the concept of "flexible response," president kennedy was indicating that he had grave doubts about thevalue of which previous defense policy? a massive retaliationb collective securityc containmentd air power