(A) secede
(B) ** alliance
(C) abolish
(D) segregate
EXPLANATIONS BELOW
Concept note-1: -alliance, in international relations, a formal agreement between two or more states for mutual support in case of war.
Concept note-2: -Alliances are formal agreements between two or more nations. In national defense, they’re promises that each nation will support the other, particularly during war.
Concept note-3: -: a bond or connection between families, states, parties, or individuals. a closer alliance between government and industry. : an association to further the common interests of the members. specifically : a confederation of nations by treaty. the alliance of Western nations.