The “problem of succession” tends to plague which type of authoritarian regime the most?

All of the following are reason why incumbent representatives usually win re-election to Congress EXCEPT:

a. Incumbents use franking privileges to communicate with voters. b. Incumbents generate good will by getting "pork barrel" projects for their districts. c. Incumbents have large staffs to work on constituency relations. d. Incumbents always benefit from congressional redistricting. e. Incumbents receive the most money from special interest groups.

As a result of the progressive reform movement of the early twentieth century, the devices that mayors can use to accumulate political power have been significantly weakened

Indicate whether this statement is true or false.