If the speaker of the house wanted to make sure the members of his/her political party were voting according to the wished of the party, who might be asked to get the party members "in line"
a) majority whip
b) minority whip
c) vice-president
d) president pro tempore

the answer is: the sesquicentennial of the american civil war is an occasion to consider the legacy of that great conflict. this legacy is our inheritance, and despite many indelible features, we continue to negotiate the resolution of that conflict. the civil war was fought over slavery, but not always on behalf of slaves