The answer is C. The Civil war began in 1861 between northern and southern states.
This was due to conflict over slavery’s appearance in western land, the westward expansion, and the fear of the loss of rights!
Answer:
The correct answer is: Experimental research
Explanation:
Experimental research is a technique or an experimental procedure research which is performed or conducted to validate or support a hypothesis. In this scientific approach, a particular set of variables are observed and measured by keeping other set of variables constant, as a subject of the research or the experiment.
Answer:
Scholars generally agree that the earliest form of writing appeared almost 5,500 years ago in Mesopotamia (present-day Iraq). Early pictorial signs were gradually substituted by a complex system of characters representing the sounds of Sumerian (the language of Sumer in Southern Mesopotamia) and other languages.
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