Which change occurred during world war i as a result of "total war"?

a: colonies in africa and asia gained their freedom from foreign rule
b: planned economies replaced complete capitalism
c: democratic nations became dictatorships
d: the airplane was invented

C: Democratic nations became dictatorships

Explanation:

Total war is a term of the twentieth century that describes a war in which countries or nations mobilize and force to the limit all available resources, whether human, military, industrial, agricultural, natural, technological, scientific, or of any other kind, to totally destroy the ability of another country or nation to engage in a war. The practice of total warfare has been used for centuries, but it was not until the mid-nineteenth century that it was recognized as a different way of waging war.

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answer

explanation

the given equation is

we can rewrite this as:

let

then the equation becomes:

the factors of 8 that sum up to -9 are {-1,-8}

we split the middle term with these factors to obtain,

we factor by grouping to obtain:

apply the zero product property to get:

but