Explains why the assassination of archduke franz ferdinand led to the outbreak of war in europe?

The correct answer is that the assassination of Archduke Franz Ferdinand  led to the outbreak of war in Europe because the death of Franz and his wife led to many more fights between the alliances.However as well, many of the allies of them wanted to get revenged to the killers of the couple.

Explanation:

The consequences  of their death became known as the "War to end all wars and leding to World War I".

the answer is a. harriet tubman was a nurse on the battlefield.

a. men

and during later times male slaves as well