The global spread of democracy is probably the most striking trend in geopolitics but in the established Western democracies what has now become a source of major concern ?

The global spread of democracy is probably the most striking trend in geopolitics but in the established Western democracies what has now become a source of major concern ?

A. electoral fraud
B. the expanding number of small political parties
C. the decline in voter turnout
D. security problems with-e-voting