What was one problem that undermined the league of nations’ effectiveness?
[d is incorrect]

it had no permanent army.
it had very limited funds.
it had few clear goals.
it had no powerful leader.

What impact did the gi bill and the interstate highway act of 1957 have on the development of the suburbs

How do developments in the us space program during the ford administration reflect the foreign policy of president ford

Ascientist performs an experiment where she measures the mass of a piece of metal, pours acid onto the metal, washes the metal, and then re-measures the mass of the metal. the scientist repeats the experiment several times, each time increasing the amount of acid used. the dependent variable in the experiment is the: initial mass of the metal final mass of the metal amount of acid used washing the metal