What major innovations in making tools and weapons occurred between 4000 B. C.
and 1000 B. c.?

The discovery of Bronze .This lead to the Bronze age

The use of iron tools and weapons were also common then

Explanation:

question 10: the answer is c, to their constituents address a problem.

question 11: i think it would be domestic bills, which deal with american issues only and public bills, which affect the whole nation.

because the vietnam war was fought in an especially brutal and untraditional way