In order for a treaty to go into effect, it must be approved by
the secretary of state
the president
the senate
the house of representatives

The Senate

Explanation:

The Senate is conferred with the responsibility to give advice and consent to the president on the concerning treaty to effect a treaty in U.S.A

nothing certain is known about what happened, but it seems that the country declined gradually, perhaps due to bad government, or, more likely, due to a series of bad harvests, which resulted in widespread and recurrent famine.

it's lower nubia : ) good luck