Governor McMath worked on political and social reform efforts, but he was not always successful. Of the following choices, which were some areas where his reform efforts failed? Select all that apply.

A. combining schools
B. improving teacher wages
C. eliminating the poll tax
D. modernizing the state highway

D. modernizing the state highway (is the only option where Governor McMath's reform efforts failed, among the given choices)

A. combining schools - Governor McMath actually oversaw the consolidation of many small schools into larger, better-funded ones, so this reform effort was successful.

B. improving teacher wages - Governor McMath was successful in raising the minimum teacher salary from $900 to $1,200, so this reform effort was also successful.

C. eliminating the poll tax - Governor McMath was a strong supporter of eliminating the poll tax, and he succeeded in persuading the state legislature to repeal it in 1949, so this reform effort was successful.