Who was a 1920s film star who was the first male "heart throb" in film.

Rudolph valentino

Explanation:

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."

4 copper and gold, the california gold rush is why im pretty sure.