The "drinking gourd" of the song refers
a. the shape of chesapeake
b. the constellation of the big dipper
c. a code phrase for the "thirst for freedom
d. the fact that safe houses were marked by a gourd by the door

no statements but ok.

the statement that best describes the idea of manifest destiny that was used in the 19th century would be that "it was fate that the united states would continue to  expand westward," since people thought the us was "destined" to do so. 

profound political, administrative, and social changes in the british isles.

the railroad administration