What was often used to pay for the costs of new railroad lines? O Confederate currency
O stocks and bonds
O bartered goods
O gold bars

According to the qianlong emperor, why was china not interested in importing anything else?

What does british gen. cornwallis tell tavington how he has been conducting himself?

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