What ultimately brought the US out of its neutrality was when the Germans wanted to stop supplies from getting to Great Britain from the US. So, they sunk the supply ships which also had hundreds of Americans on board which the Germans killed altogether (triggering their anger and causing them to join the war).
Topographer
Topographer studies Topograph which is the studies of Natural and Human-Made Landforms such as roads and contours. They are very skilled at maps and have a vast experience in secondary data.
The crusades were created by western European Christians after centuries of Muslim wars of expansion. To stop the expansion of Muslim states they had to reclaim christianity and the holy land in the middle east.
