What motivated European nations to finance voyages of exploration in the fifteenth and sixteenth centuries? Christian church doctrine a desire for riches, knowledge, and power a desire to spread democracy the need for additional land

Plz ive been stuck on this question forever. in 1753 george washington was sent on a mission to a. build a fort at the point where the allegheny and monongahela rivers form the ohio river. b. attack the french at fort duquesne. c. attack the french at fort neccessity. d. deliver a message to the french demanding that they leave the ohio river.