Analyze the Impact of Worldwide Mass Migrations Between 1840 and 1914

question 25

Essay

Analyze the impact of worldwide mass migrations between 1840 and 1914 on the economies and societies of the places in which the migrants settled.

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Definitions:

All-Or-Nothing Principle

The principle that once the electrical impulse reaches a certain level of intensity (its threshold), it fires and moves all the way down the axon without losing any intensity.

Electrical Impulse

A sudden surge of energy in one direction, particularly in the context of neurons firing and transmitting information in the body.

Axon

A long, slender projection of a neuron that typically conducts electrical impulses away from the neuron's cell body.

Firing

In the context of neural activity, it refers to the action of a neuron when it sends an electrical signal down its axon to communicate with other neurons.