Answer:
Importantly, the organization of social groups into a hierarchy serves an adaptive function that benefits the group as a whole. When essential resources are limited, individual skills vary, and reproductive fitness determines survival, hierarchies are an efficient way to divide goods and labor among group members.
Explanation:
The correct answer is:
<u>D. Ancient Romans established a representative form of government</u>
Development of democracy is termed as government and people which came from Greek word.
Ancient Greece was the first democratic system which was built in 500 BCE.
The Greek moved from dictatorship to a democracy state. Both foreigners, slaves and women were not involved in decision making only men who were allowed to make decisions.
Answer: Oklahoma’s mineral resource were deposited by an ancient ocean.
Answer:
(See explanation for further details)
Explanation:
Abraham Lincoln Assassinated - April 15, 1865
13th Amendment Ratified - December 6, 1865
Black Codes Enacted - Between 1865 - 1866
Civil Rights Act of 1866 - April 9, 1866
President Andrew Johnson Impeachment Trial - February 24, 1868
Ulysses S. Grant elected president - November 3, 1868
15th Amendment Ratified - February 3, 1870
Rutherford B. Hayes elected president - November 7, 1876
Federal Troops withdrawn from the South - April 24, 1877