This study attempts to explore the factors that contributed to the rise and fall of military regimes in the Sudan from independence in 1956 to 1989. Further, the study tries to identify the factors that led to the collapse of either or both civilian and military regimes. Most of the studies on military politics have focused their research on either military coups or, more recently, on military withdrawal from politics. This work tries to synthesize the study of military coups and military withdrawal from politics into a single theoretical framework.

The main objective of this research is to test some of the hypotheses linking economic development, social mobilization, legitimacy, and the coerciveness of the regime with internal political conflict. Each proposed hypothesis is to be tested across sixteen predominantly Islamic Middle Eastern nations for data from two time periods, 1960-66 and 1967-73. To check for the consistency and strength of the hypothesized relationships the test results for each hypothesis for the first period data will be compared with those of the second period.