Why did Austria-Hungary and Germany go to war against Serbia?

Vienna, 28 July 1914 - Austria has formally declared war on Serbia. ... That ultimatum - presented following the assassination of Archduke Franz Ferdinand - had demanded of the Serbian government a range of measures that no sovereign state could realistically have taken.

Explanation:

mali had been a state inside of the ghanaian empire. after ghana fell because of invading forces and internal disputes, mali rose to greatness under the leadership of a legendary king named sundiata, the "lion king." the songhai empire, already weakened by internal political struggles, went into decline.

the secretary of state, appointed by the president with the advice and consent of the senate, is the president's chief foreign affairs adviser. the secretary carries out the president's foreign policies through the state department and the foreign service of the united states.