What is your opinion of the creation of the Mount Rushmore National Memorial?

Which statement describes a similarity between the great migration and to this day

After early colonial losses to the british in new york, a.general washington withdrew his troops to pennsylvania. b.the colonies ratified the declaration of independence. c.the continental army set up headquarters at fort lee. d.general washington set up headquarters in new jersey.

In general which explains why communist revolutions did not happen