Answer:
D is your answer.
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<span>The president is elected as the leader of the country, such as he or she is the head of state. Also, he or she runs the government; the president is also the head of government. The monarch is the head of state for the United Kingdom, so the prime minister is merely the head of government.
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<span>The roots of the consolidation of slavery lie in the staple crop system of agriculture in the South. During the early years of the republic, tobacco was the primary staple crop in many areas, along with rice and indigo in South Carolina. All were labor intensive and produced on a large scale. Slavery provided the necessary labor to sustain this system.
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Progressive<span> movement defends that be the capacities of an individual and not the social and economical conditions that determine the limit of his aspirations.
</span>Populist<span> movement/parties/leaders is one which uses various resources to obtain popular support.
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<span>The mouse did not survive when injected with a mixture of live, avirulent (smooth) Streptococcus pneumoniae and heat‑killed, virulent Streptococcus pneumoniae.</span>
