Supreme Court justices ruled that the Healthcare Reform Act was constitutional. They were exercising their power which is called judicial review. Thus the correct answer is B.
<h3>What is a constitution?</h3>
A constitution is referred to as a fundamental book containing rules, regulations, laws, and principles of any country which abide by every individual living in the country.
Judicial review is the idea that the decisions of the executive and legislative departments of government are subject to scrutiny and possible disapproval by the judiciary, which is important to the US form of government.
If state or national laws or activities are found to be in violation of the Constitution, judicial activism can be used to declare them invalid. It also empowers courts to find an executive or legislative action unlawful.
Therefore, the option D Judicial review is the correct answer.
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Invasions by Barbarian tribes
Economic troubles and overreliance on slave labor
This question refers to the lynching of Emmett Till.
This question refers to the moment in which Till was flirting with Carolyn Bryant. Although Till believed that his actions were relatively harmless, the older man warned him against them, as he knew they could lead to trouble.
This older man was a local, so he understood the social rules that regulated interactions between black and white people in the South. He knew how these interactions often led to problems for black people. He most likely learned the rules through the process of socialization that he engaged in from the moment he was born. They were passed down to him through his parents, friends, relatives, neighbours, etc. These rules are often enforced in a social way, not through law, but through the actions of the community. In this case, they were enforced through violence and murder.