<span>The invention of tools and mastery of fire led to the development of "advanced civilizations," since this allowed for early humans to gain far more food sources and intake more calories. </span>
Answer:
The 1870s to the start of World War I, the period when African American ... The papers of both of these major civil rights organizations, which are among the ... flag from the fatally wounded standard bearer and, although himself wounded, bore it ... He also worked with W.E.B. DuBois and Booker T. Washington on organizing ...
Explanation:
Answer:
Explanation: They were politicians who changed the laws to better protect workers.
Answer:
Explanation:
subtract 8 from both sides

square root both sides
