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The United Nations was established through the San Francisco Conference in 1945 with current membership now at 193 states. It is the successor to the failed League of Nations. Its principle aims, spelled ...

According to realism nation states provide the foundations for international relations, a principle primary based of Westphalianism, with esteemed political theorists such as Henry Kissinger agreeing with...

This question requires you to work through methodically in stages. We want two numbers, a and b, which fit into brackets of the form: (x + a)(x + b). By doing this, we have simplified the expression throu...

Patent - Gives exclusive right to make, use or sell a new invention for a set period of 20 years. It allows the designer to take legal action, but it must be shared in detail in the public domain. It must...

Find an expression for y
y = 3 - x
sub this into the second equation
x^2 + (3 - x)^2 = 5
then expand the brackets
x^2 + x^2 - 6x + 9 = 5
simplify
2(x^2 - 3x + 2) = 0<...