The answer you're looking for is D, The direct exchange of one set of goods or services for another
Other scientists and the science world laughed at him and saw his ideas as ridiculous. His life suffered.
Sheep
carcasses were injected with a poison by the sheep ranchers, in this way
coyotes would sicken but will not kill them. It is sheep ranchers’ way to
protect their sheep from coyotes in an application of classical conditioning
principles reported in the text.
The correct answer to this open question is the following.
Although there are no options attached we can answer the following.
The major U.S. War that helped change the laws that stated that enslaved Africans were not U.S. Citizens was the American Civil War (1861-1865).
Before the Civil War, slavery was the normal thing in the large plantations of the southern states. Indeed, the economy of the South totally depended on slaves to produce the kinds of crops that had to be exported to Europe.
During the war, U.S. War, US President Abraham Lincoln issued the Emancipation Proclamation in January 1863, stating that al slaves in the south had to be free.
After the war, and during the Reconstruction period, white people established a series of laws called the Jim Crow laws that limited black people's rights.
It was the 14th Amendment to the United States Constitution granted citizenship to all the people born in the US or that were naturalized in the US, as was teh as of most black people.
The basic principles and laws of a nation, state, or social group that determine the powers and duties of the government and guarantee certain rights to the people in it.
