Answer:
The biggest and main cause of the civil war was slavery.
Explanation:
The North and the South were both extremely divided based on slavery and many other factors. The South relied on slavery to maintain growth and stability while the North opposed slavery.
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Answer:
B
Explanation:
Immigration is the process of moving to a new country or region with the intention of staying and living there. People may choose to immigrate for a variety of reasons, such as employment opportunities, to escape a violent conflict, environmental factors, educational purposes, or to reunite with family.
Answer:
Energy decreases because it moves up trophic levels since energy is misplaced as metabolic warm when the life forms from one trophic level are expended by life forms from another level. Trophic level exchange proficiency (TLTE) measures the amount of vitality that's exchanged between trophic levels.
Explanation: