Suppose that Biuret reagent turns purple when it is added to an unknown substance. What can you conclude about the substance?

In an effort to japan recover from the devastating effects of the 1929 depression, japanese military leaders in the 1930s formed an alliance with nazi germany negotiated more trade treaties with the soviet union closed its doors to western trade adopted a policy of imperialist expansion

The us labor movement began in the a. 1930s b. 1920s c. 1880s d. 1860s select the best answer from the choices provided. a b c d

Who were the kelvin-rus? describe who influenced them.