…designed this sprawling house by 26, wrote the declaration of independence at 35. He was an inventor, scholar, and an author. He was the Governor of Virginia from 1779 – 1781, a minister to France from 1785–1789, Vice-President of the United States from 1797 – 1801, and President of the United State from 1801 – 1809 . He was among the most influential in helping shape and create the United States.
Rules of using an apostrophe described using a flowchart.
http://theoatmeal.com/comics/apostrophe
You can also buy it as a poster!
Bismark’s Germany at the end of the 19th century was the first state to institute old age pension and other similar measures on part of the Government. This was followed by Great Britain in the early 20th century under Winston Churchill and Lloyd George, by instituting old age pension and welfare schemes.
The efficient-market hypothesis, which states that the price of stocks and other financial assets accurately reflect all the available information about economic fundamentals.
and,
the rational-expectations theory, which posits that individuals and firms are hyper-intelligent decision-makers who have a correct model of the economy in their minds.
[Source]: After the blowup, New Yorker, January 11, 2010