What is meant by a proxy war and how does this term apply to the spanish civil war?

A proxy war is a war in which major powers become involved but do not declare war on one another. During the Spanish Civil War, both Germany and the Soviet Union took sides and became actively involved, but they did not formally declare war on one another.

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this defines the ability for a flex item to grow if necessary. it accepts a unitless value that serves as a proportion. it dictates what amount of the available space inside the flex container the item should take up.

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