Which transitional word is the best choice to complete this sentence?

Some people favored the incumbent, others favored a rookie named Peter Goodman.
A) therefore
B) while
C) in addition
D) nevertheless

B) while

Explanation:

'While' signals a contrast - in this case, between groups of people.

1.the hosts on two opposing mountains stood,  

2.thick as the foliage of the waving wood;  

3.between them an extensive valley lay,  

4.o'er which the gleaming armour pour'd the day,  

5.when from the camp of the philistine foes,

6. dreadful to view, a mighty warrior rose; in the dire deeds of bleeding battle skill'd,

the statement that best explains why the tenth amendment reserves some rights and powers to states is that the framers believed in the principle of federalism. this principle says that some powers are in the hands of a centralized national government, while others are reserved for the governments of several states.