What event sparked the powder keg that began ww1?

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."

b. the passage of the equal rights amendment  

explanation:

this mean that anything that someone else could do they could do