Answer:
adding states to the union
a strong federal government
protective tariffs
Explanation:
Definitely not true, only some pharoahs got them built.
The invention from the song dynasty that improved clocks was: The clock tower/clepsydra clock
This invention is the first type of clock that utilized the <em>escapement mechanism </em> that is applied by many European countries around 2 centuries later to produce their clocks.
An Oasis because a gravel-covered plain would hurt there feet.A salted crusted flat is dangers if one little piece of water touches the salt could ruin the whole area.A rocky plateau they would have have to climb up and down the plateau and they could get hurt.A Oasis has pure water,and enough trees to keep most or all the air pure, and almost to no dangers animals