Realism . Question 31 options: 1) is the systematic study of political behavior institutionalized at the turn of the 20th century 2) is characterized by an interstate system in which two states hold the most significant power 3) describes a political philosophy that sees the struggle for power and the potential for conflict as a necessary evil in pursuit of national interest 4) describes a political philosophy stemming from the democratic tradition that emphasizes the potential for cooperation among states

Option- C

Realism describes a political philosophy that sees the struggle for power and the potential for conflict as a necessary evil in pursuit of national interest.                                                                                      

Explanation:

There are different theories and ideas been presented for the over all process of the state affairs and some of them might look to brutal to understand and been implemented on but there main cause is the development of the system or the government as a whole, as there are a number of institutions and departments that work for the system and some of the may cause harm to an individuals personnel terms and conditions in order to improve the states or national interests.