What were the main concerns that plagued the early european voyages of exploration?

if you're talking about (ww2) they went bankrupt and their currency was worth nothing

explanation:

we can argue that appeasement caused world war ii because it allowed hitler and the nazis to build germany’s military power until it was strong enough to fight a major war. additionally, appeasement emboldened germany, making it think the allies would never have the will to fight. this made germany much more aggressive and encouraged it to take the steps that eventually led to war.