A. Prevent Chaos
Government creates laws and rule to prevent chaos!
The ideas held by ancient greeks which was supported by scientific experiments includes:
- Light is a wave or disturbance that travels through spaces in the air.
- Light is a substance carrying particles that flow from a light source.
<h3>What was the
ancient Greeks idea?</h3>
The ancient greeks emphasized more on logic and the idea of impartial and rational observation of the natural world..
Hence, some of their idea were Light is a wave or disturbance that travels through spaces in the air and Light is a substance carrying particles that flow from a light source.
Therefore, the Option A & B is correct,
Missing options "Light is a wave or disturbance that travels through spaces in the air.
Light is a substance carrying particles that flow from a light source.
Light is a stream of rays that comes with great velocity from the eyes of an observer.
Light is the result of rays that leave the eyes, reflect off an object, and interact with sunlight to become visible.
Light is made of a combination of electric and magnetic fields that travel at the speed of light."
Read more about ancient greeks
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The majority of the Exodusters migrated to Oklahoma, Colorado, Ohio, Nebraska, North Dakota, South Dakota, New Mexico, Arizona after the Civil war.
<h3>Who are the Exodusters?</h3>
These refers to the African American migrants that left the South Region of U.S. after the Civil War to settle in the states of Colorado, Kansas, and Oklahoma.
Hence, the majority of the Exodusters migrated to Oklahoma, Colorado, Ohio, Nebraska, North Dakota, South Dakota, New Mexico, Arizona after the Civil war.
Read more about Exodusters
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The correct answer is D. Barbed wire allowed farmers to enclose their lands.
Explanation
The great plains are a region of the United States in which different economic activities have been carried out, among which agriculture and cattle raising stand out. However, this relationship was mediated by the disagreement felt by ranchers towards farmers who increasingly covered more areas of this region. For this reason, ranchers broke into the land of farmers and damaged their crops or attacked against farmers lives, for this reason, one of the farmers, tired of this situation, took as inspiration the use that was given to some bushes with thorns that were used as a barrier to prevent entry to private land and created barbed wire to prevent ranchers from entering farmers' land. With this invention, farmers began to fence off their land and limited the enter of ranchers who infiltrated to attack the crops and their owners. According to the above, the correct answer is D. Barbed wire allowed farmers to enclose their lands.
