Why should we limit power of the government?

Because as history shows if the government gets too powerful, they will become greedy, and can possibly turn into communism and that is not good.

whose power in the senate is equal to the power of the speaker of the house?

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."