The idea is known as the Republican form. The idea is that people democratically elect those who would represent them in a government, and those people would be held accountable for what they've done if they do something opposite to the will of the people. It's the only way that a democracy can work properly because others would be impossible with that many people.
With war, every country is afraid. They're afraid of possibly being ambushed, becoming in dept, and many other reasons. So by remaining neutral they can sit back and not have to worry about being attacked by any country that's fighting. But that's not always the case now and days. Hope I answered your question correctly.
According to google, Mercantilism was a popular economic philosophy in the 17th and 18th centuries. In this system, the British colonies were moneymakers for the mother country. The British put restrictions on how their colonies spent their money so that they could control their economies.
Answer:
restriction of interest to a narrow sphere; undue concern with local interests or petty distinctions at the expense of general well-being.
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