What's was the catchphrase for the concept of social darwinism

What did the committees of correspondence do ? a) . all of these b). communicated c). contacted foreign government d). planned for actions the colonies took together

Which is true of the kentucky and virginia resolutions? they called for more influence from the federal level. they reinforced the ideas behind the alien and sedition acts. they were written by thomas jefferson and james madison they gave congress final say over what was deemed constitutional.

Who commanded fort union in the 1850's? what were their contributions to fort union?