The subheading under after high school by informing contribute to the organization of career planning for high schoolers is readers of the education options being described.
<h3>What are subheadings?</h3>
Subheadings are the small headings under the main heading that describe more about the heading. Subheadings are placed under the main headlines.
Thus, the correct option is B. by informing readers of the education options being described. The options are attached with a picture.
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In the UK, he was called "Slater the Traitor" because he brought British textile technology to America, modifying it for United States use. He stole the designs of textile factory machinery as an apprentice to a pioneer in the British industry before migrating to the United States at the age of 21.
Source - Wikipedia
The statement that is least helpful is the following:
<span>The Supreme Court ruling in Plessy v. Ferguson (1896) wrote into law that America had two separate societies: one black and one white.
It is the least helpful because it does not mention schooling, and all the other options mention schooling. It also does not mention that one of the societies is more advantaged than the other, and other options mention that the schools for white children received more money for exemple ("</span><span>States with laws keeping schools segregated never gave equal amounts of money to their black and white schools.")</span>