Which of the following are forms of protected speech

The 14th amendment overruled the supreme court case of dred scott vs. sandford. the landmark supreme court case determined which of the following points? a.slaves could not be citizens b.non-landowners could not be citizens c.blacks could not be citizens d.all persons born or naturalized in the united states vary differently in citizen status.

What was the mame given to the idea that americans should expand across the nation ro the pacific coast

One of galileo’s contributions to science was a creating the coordinate plane system. b developing the scientific method. c improving the telescope. d inventing the astrolabe.