What event occurred as a result of the serbian assassination of ferdinand, heir to the throne of austria?

formation of the league of nations
spanish-american war
world war i

2686-2181 bce-- "egyptian civilization developed along the nile river in large part because the river’s annual flooding ensured reliable, rich soil for growing crops."

1069-664 bce-- "ancient egyptians developed wide-reaching trade networks along the nile, in the red sea, and in the near east."