What are the two types of labor unions? Choose exactly two answers that are correct.

auto union

trade union

mechanical union

industrial union

Which answer best explains the overall impact of the chicken on native american populations in the new world? negative; it destroyed much needed grain crops neutral; it was not well adopted by native americans insignificant; other animals were more quickly accepted positive; it brought a good source of protein to the native american diet

When did paul zoll develop cardiac pacemaker

Select all that apply. select all the items that describe a command economy. distribution by the government poor selection of goods high standard of living shortage of goods limited freedom