21.   As its end nears, the Shepards disagree over a suitable sentence.

22.   As the potential financial liability became clearer over the past year, however, management of the two companies disagreed over what contribution the parent should make.

23.   As work to reauthorize the welfare law begins this spring, lawmakers disagree over several specific issues, such as child care funding and benefits for legal immigrants.

24.   B. People in the North and in the South disagreed over slavery.

25.   Before the holiday season, Democrats and Republicans disagreed over how to stimulate the economy.

26.   Beresford, Eastwood and the studio also disagreed over the leading lady.

27.   Beyond those generalities, however, even experts disagree over what sort of Russia Putin would build as president.

28.   Black scholars still disagree over it.

29.   Both camps also continued to disagree over how many Boeing employees remain on strike.