Although the american federation of labor worked to improve the lives of workers in the early twentieth century, they generally looked down on
a. only blacks.
b. blacks and women.
c. white men.
d. only women.

All of the following were weaknesses of the articles of confederation, except: a) the central government was not permitted to regulate state, interstate, or foreign trade. b) the central government was not permitted to borrow money. c) the central government had little ability to regulate money. d) the central government had no ability to tax.