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Answer: Karl Marx
Explanation: Marx was the creator of the idea of transforming the entire economic system in order to promote the rights of underprivileged members of society, that is, most often workers. According to Marx, the workers in the capitalist systems were in a very subordinate position, exploited, and the whole capitalist system rested on their backs. Therefore, according to Marx, it was necessary to start the working class raise awareness of its rights, and embark on a political struggle for workers' rights, with the ultimate goal of changing social relations and transferring the economy into the hands of the working class. Of course, this was not possible with negotiations, but Marx advocated a serious political struggle, conflict with established political structures and even revolution.
With reference to the adolescent brain, the maturation or growth of the frontal lobe (i.e. prefrontal cortex), comes after or is slower than the development of the limbic system.
The frontal lobe consists of the prefrontal cortex, premotor cortex, and the motor cortex. The prefrontal cortex is responsible for cognitive analysis, reasoning, anticipation, planning, problem solving, and impulse control. Its development lags behind the limbic system, which is responsible for emotions, behavior, motivation, long-term memory, and olfaction (sense of smell).
Because of this inequality in the development rate, together with the surge of adolescent hormones, teenagers tend to be more impulsive, rash, and emotional as the their "emotional side" develops more rapidly than their "rational, judging" side.
Feudalism declined during the Crusades because B. many knights lost their lives and fortunes in battle.
<h3>What is Feudalism?</h3>
This refers to the system of land ownership where a lord gives out land to his faithful vassal, as reward for work.
Hence, we can see that this system declined during the Crusades primarily because there was a great loss of life by the knights in the bitter battle that ensued.
Read more about feudalism here:
brainly.com/question/3143141
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I believe the answer would be, "Posture".