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:
Airplanes and chemical warfare were technological advances during world war 1.
Answer:
Opportunity cost is the cost of the next-best option. It is something important to know.
Explanation:
In microeconomic theory, opportunity cost is the loss or the benefit that could have been enjoyed if the best alternative choice was chosen. As a representation of the relationship between scarcity and choice, the objective of opportunity cost is to ensure the efficient use of scarce resources.
Please mark brainliest.
The Code of Hammurabi and the Twelve Tables of Rome are examples of "<span>(1) written laws". These were some of the first laws of this kind ever written down.</span>
