What role did disease play int he spanish conquest of the americas?

How was classical persia's extensive network of roads important to its civilization?

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.

How did the international community respond to south africa’s policies in the 1980s?