The Louisiana purchase
hope i helped :))<span />
I believe the answer is: All men… are endowed by their Creator with certain unalienable Rights, that among these are Life, Liberty and the pursuit of Happines
The key phrase is : <em>endowed by their Creator with certain unalienable Rights</em>
Unalienable rights indicate the rights that could never be override by anyone, including the people who had the highest power in the country.
This mean that when governments are making their legislation and programs, they should not cross the unalienable rights which are held by the citizens. This will restrict government power.
To improve the economy I believe (but not for certain)
The immediate cause of World War I that made the aforementioned items come into play (alliances, imperialism, militarism, nationalism) was the assassination of Archduke Franz Ferdinand of Austria-Hungary. ... Thus began the expansion of the war to include all those involved in the mutual defense alliances
According to the United Nations' Human development Index, many countries with very high development are located in Europe and Australia. As defined in Wikipedia, Human development index is a composite statistic of life expectancy, education and income per capital indicators, which are used to rank countries into four tiers of human development.