Answer:
Not leaving a heir to the throne cause a shift to the royal blood line.
Explanation:
I'd say that they got it from exploration, really.
These are mud bricks, thatched with straw, grass, or hay. The dirt bricks are packed tight, then set out in the sun to harden into a brick.
Depends on what time period your referring to but i believe this is The Mandate Of Heaven.
That is true! Julius Caesar was part of the first Triumvirate