How did Madam C. J. Walker affect the lives of many Americans in the Industrial Age? a. Walker invented products that paved the way for many of the devices we use today, such as the film camera.
b. Walker improved the telegraph, which helped trains avoid dangerous collisions and kept passengers safe.
c. Walker improved the assembly line, which changed that way that unskilled laborers worked in factories.
d. Walker produced cosmetics and hair products for African American women, which was an underserved market at the time.

What did the department of housing and urban development do during the 1960s as part of johnson’s great society?

What role did the sons of liberty have when the stamp act was passed

The quote below is an excerpt from the charter of the united nations: "the purposes of the united nations are: to maintain international peace and security, and to that end: to take effective collective measures for the prevention and removal of threats to the peace, and for the suppression of acts of aggression or other breaches of the peace, and to bring about by peaceful means, and in conformity with the principles of justice and international law, adjustment or settlement of international disputes or situations which might lead to a breach of the peace . " source:this section implies that the united nations is prepared to do what to keep world peace?