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Simultaneous equations have two or more unknown values, in this case there are two: x and y. To solve them, first we need to get one unknown by itself. In order to do this we need the coefficient of eithe...

Consumption - a reduction in interest rates means that the cost of borrowing money for consumers is lower. This means that consumers demand more money in order to consume. Large purchases become relativel...

Language is not a stable category. We are used to noting the differences between speakers of different languages, but the differences within a single language can be just as significant over a period of t...

It has long been said that money dominates politics in the US, due to its diverse nature, and the inability to reform campaign finance effectively. This has led to multi-billion dollar election campaigns,...

The end of the “Solid South” in US politics provided a catalyst for the growing polarisation between the two major parties, the Democrats and the Republicans, the ideological coalescence within them becom...