Why was archduke franz ferdinand assassinated?

The truce of god required christian nobles to stop fighting between friday and sunday each week. spare the lives of enemies who converted to christianity. make peace with the muslim empire. treat captives according to christian guidelines

Which of the following statements is true about germany's use of u-boats?

In witch of these areas were the early bantu successful in part to there iron working skills ? check all that apply -agriculture -gathering -navigation -trade -warfare