What was the most direct cause of World War I?

The most direct cause was the assassination of Archduke Franz Ferdinand at Sarajevo on 28 June 1914.

Explanation:

pope john paul ii ( his real name is karol wojtyla) and lech walesa ( the leader of the solidarity movement ) were both born in poland.

an economic reason that the south needed a reconstruction plan is that plantations, factories, and other businesses were destroyed during the war.