Having many intricate parts.

Military draft

The process of assembling troops and supplies and making them ready for war.

Something or someone marked for attack.

Having no restrictions or bounds.

Ideas spread to influence public opinion for or against a cause.

Fighting from ditches protected by barbed wire, as in World War I.

A war based on wearing down the other side with constant attacks and heavy losses, such as World War I.

A war that involved the complete mobilization of resources and people, affecting the lives of all citizens in the warring countries, even those remote from the battlefield.

An economic system directed by government agencies.

The heir to the House of Habsburg who was assassinated by Gavrilo Princip.

Terrorist group responsible for the assassination of Francis Ferdinand.

Member of the Black Hand who shot and killed Francis Ferdinand and his wife.

What countries formed the Triple Entante?

What countries formed the Triple Alliance?

The sinking of what ship caused America to join World War I?

When did World War I began?

What neutral country did Germany force its military through?

Who took vacant jobs while young men were fighting during WWI?