(A) assassination
(B) ** alliances
(C) artillery
(D) armor
EXPLANATIONS BELOW
Concept note-1: -That event precipitated the July crisis, which saw the major European powers hurtle toward open conflict. The MAIN acronym is often used to analyze the war. Militarism, Alliances, Imperialism, and Nationalism.
Concept note-2: -M-A-I-N. • The M-A-I-N acronym is often used to analyse the war – militarism, alliances, imperialism and nationalism. It’s simple but provides a useful outline.
Concept note-3: -MAIN is an acronym that stands for militarism, alliances, imperialism and nationalism. It is usually used to describe the causes of World War I.
Concept note-4: -MAIN stands for Militarism, Alliances, Imperialism and Nationalism.
Concept note-5: -By 1914, Europe’s six major powers were split into two alliances that would form the warring sides in World War I. Britain, France, and Russia formed the Triple Entente, while Germany, Austria-Hungary, and Italy joined in the Triple Alliance.