There could be many different reasons.
farming collectives
security needs
Answer:
1. The South
2. It reopened the issue of slavery in the territories.
Explanation:
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The twisted magnetic field of the Sun traps plasma inside its arch. When the magnetic arch eventually breaks because of so much twisting, the plasma trapped inside goes flying out into space.
<span>The answer is the third amendment. This amendment protects the contrary to the involuntary quartering of troops. It states that
no soldier will, in period of peace, be accommodated in any house, deprived of the agreement of the owner, nor in period of war, but in a way to be agreed by law. </span>
Answer: Wendy did not use random assignment
Explanation: Wendy's failure to randomly assign participants or subject to his research will pose a threat to the internal validity of his study. The internal validity of a study simply refers to the structure of an experiment and it's trustworthiness in establishing causal relationship between the applied treatment used a study and the observed outcome. Wendy's decision to ignore random assignment and opt for a manual assignment of subject to each treatment will pose a threat to the structure of his study and hence the establishment of a causal relationship between the treatment t and outcome of the study.