Powers and duties Politics and government 47 Executive power 38 History 25 Presidents 21 Slavery 15 Governors 13 more ... Separation of powers 13 Constitutional law 10 Foreign relations 10 War and emergency powers 9 Officials and employees 8 Selection and appointment 8 Extension to the territories 7 Legislative power 7 U.S. states 7 Governmental investigations 6 States 6 Treaty-making power 6 Constitutional history 5 Finance, Public 5 Judges 5 Law and legislation 5 Political leadership 5 Political questions and judicial power 5 Budget 4 Budget deficits 4 Budget process 4 Controversial literature 4 Legislative oversight 4 less ...