Al-Khwarizmi developed algebra.
The original settlers influenced the culture of South Carolina by b)they set up an agricultural society that lasted until the 1900's. The colony of South Carolina remained an agricultural state for many decades, as it was mostly based on work done in the plantations by slaves in land owned by slave-owners. Some of the products exported to Europe included indigo and cotton.
The correct answer is: Option C. That children are sent to school to learn, not to teach, so the students in this case were in the wrong by trying to "teach" others something by wearing armbands.
The text argues the fact that children are able to teach elders by remarking their lack of experience to do so, but it mainly makes emphasis in their "need to learn, not teach." Therefore, it is settled that children should not be allowed to teach while they are still in their learning phase.