What two famous landmark building and series of public buildings did Andrew Carnegie build?

lo que dos edificios emblemáticos famosos construyeron andrew cornegie

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."

the space race was a battle to make advanced technology to get to the moon and to get a better understanding of space.