How did mesopotamians keep track of time in 2 words and it starts with w

the water clock?

Explanation:

i confess that there are several parts of this constitution which i do not at present approve, but i am not sure i shall never approve them: for having lived long, i have experienced many instances of being obliged by better information or fuller consideration, to change opinions even on important subjects, which i once thought right, but found to be otherwise. it is therefore that the older i grow, the more apt i am to doubt my own judgment, and to pay more respect to the judgment of others.

answer; ///(1) blank; henry clay; (2) blank; secretary of state; (c)is your answer; ///good luck